Airborne geophysical survey: Fossil Ridge, Colorado (other, 2001)
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.

Airborne geophysical survey: Maroon Bells, Colorado (other, 2001)
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.

Airborne geophysical survey: Mt. Harvard, Area 4, Colorado (other, 2001)
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.

Airborne geophysical survey: Bonanza, Area 3, Colorado (other, 2001)
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.

Airborne geophysical survey: Fossil Ridge, Colorado (other, 2001)
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.

Airborne geophysical survey: Anthracite Range, Area 5, Colorado (other, 2001)
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.

915rwpwindcon (a1) (1998)
The radar wind profiler/radio acoustic sounding system (RWP/RASS), available in 915-MHz (for U.S. deployments) and 1290-MHz (for foreign deployments), measures wind profiles and backscattered signal strength between (nominally) 0.1 km and 5 km and virtual temperature profiles between 0.1 km and 2.5 km. However, ARM no longer operates the RASS portion. The RWP transmits electromagnetic energy into the atmosphere in as many as five directions (four tilted in opposing vertical planes and on vertical) and measures the strength and frequency of backscattered energy. Calculation of the Doppler shift of the returned signal allows calculation of the atmospheric wind profile.

interpolatedsonde (1998)
ARM Instrument: Interpolated Sonde

mwrret1liljclou (1996)
ARM Instrument: MWR Retrievals

USGS Water Data for the Nation - United States Geological Survey (other, 1994)
This collection provides access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands. Online access to this data is organized around the categories surface water, groundwater, water quality, and water use.\r\n\r\nSurface-water data includes more than 850,000 station years of time-series data that describe stream levels, streamflow (discharge), reservoir and lake levels, surface-water quality, and rainfall. The data are collected by automatic recorders and manual field measurements at installations across the Nation.\r\n\r\nGroundwater data consists of more than 850,000 records of wells, springs, test holes, tunnels,drains, and excavations in the United States. Available site descriptive information includes well location information such as latitude and longitude, well depth, and aquifer. The USGS annually monitors groundwater levels in thousands of wells in the United States. Groundwater level data are collected and stored as either discrete field-water-level measurements or as continuous time-series data from automated recorders. \r\n\r\nWater-quality data includes chemical, physical, and biological properties of water, sediment and tissue samples from across the Nation. The discrete sample data base is a compilation of over 4.4 million historical water quality analyses in the USGS district data bases through September 2005. At selected surface-water and groundwater sites, the USGS maintains instruments that continuously record physical and chemical characteristics of the water including pH, specific conductance, temperature, dissolved oxygen, and percent dissolved-oxygen saturation. Supporting data such as air temperature and barometric pressure are also available at some sites. At sites where this information is transmitted automatically, data are available from the current data system.\r\n\r\nWater use refers to water that is used for specific purposes. Water-use data is collected by area type (State, county, watershed or aquifer) and source such as rivers or groundwater, and category such as public supply or irrigation. Water-use data has been reported every five years since 1950, for years ending in "0" and "5". The USGS works in cooperation with local, State, and Federal agencies as well as academic and private organizations to collect and report total withdrawals.

Testing API Python (other)
This resource was created as a demonstration of using Python Client for HydroShareThe imported data are related to Paonia Reservoir, Colorado, USA.

Aqueous geochemical dynamics of metals and rare earth elements in an acid rock drainage-impacted alpine watershed (other)
Numerous mountain watersheds in the Colorado Mineral Belt (CMB) are impacted by acid rock drainage (ARD) and acid mine drainage (AMD), which mobilize metals and rare earth elements (REEs) into surface waters. In the upper Roaring Fork watershed near Independence Pass, natural ARD from a highly mineralized tributary is the primary source of acidity and element loading into Lincoln Creek, with additional contributions from historical mining at the Ruby Mine. Despite known concerns about metal transport, the fate of REEs remains poorly understood in this system and other similar watersheds. This study focuses on the behavior of major ions, trace metals, and REEs in surface waters along a flow path receiving ARD and AMD inputs. The objectives were to (1) evaluate the transport, mixing, and attenuation of major solutes and REEs across stream reaches, and (2) characterize REE geochemical signatures, including their redox behavior and utility as tracers in ARD/AMD impacted systems. Filtered water samples from six main sites were analyzed by Inductively-Coupled Plasma Mass Spectrometry (ICP-MS) and Ion Chromatography (IC) methods, and results were explored through mass balance transport calculations, bivariate plots, shale-normalized REE patterns, and the cerium anomaly. Water chemistry in the Lincoln Creek basin reveals distinct geochemical fingerprints for the Ruby Mine (enriched in Ca, Mg, Mn, and Cd) and the Mineralized Tributary (enriched in SO4, Fe, Al, and Cu), with several metals showing increasing trends in recent years. REE fractionation patterns and Ce anomalies further distinguish source contributions and processes, with the Mineralized Tributary displaying MREE enrichment from natural pyrite weathering and the Ruby Mine exhibiting HREE enrichment tied to mine-derived flows. Most solutes showed a mix of conservative and reactive transport depending on site and season, while certain late-season metal concentrations at the Grizzly Reservoir inlet exceeded aquatic life standards. These results indicate that source composition mainly controls major solute and REE patterns in surface waters, with reactive transport processes selectively influencing the behavior of certain elements. This thesis advances knowledge of metal and REE dynamics in high-elevation, ARD-affected watersheds and supports continued monitoring and management in the Lincoln Creek basin.

Archeological Survey of Black Canyon of the Gunnison National Monument and Archeological Inventory and Evaluation of Curecanti Recreation Area (other)
The survey and research work conducted at Black Canyon of the Gunnison National Recreation Area and Curecanti Recreation Area are clear examples of how meagre beginnings can develop into a fruitful, long-range program designed on the one hand to meet National Park Service management needs, and on the other hand to provide an understanding of an area prehistory following a program designed to answer a series of questions about the culture history and adaptive patterns in a particular area.

Paonia Reservoir_ Modeling (other)
This Resource contains input data required to build a numerical model for Paonia Reservoir, Colorado, USA. The provided data includes: - Upstream discharges since 1962 - Sediment rating curve - Geospatial files (Paonia basin, streams and gages shapefiles, GeoTIFF elevation) The author is working on using the SRH-1D model to simulate the reservoir operation. The outputs will be posted. This resource contains an API Python file.

Upper Colorado River Basin Cottonwood Monitoring Picture Locations .mpk (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Archeological Survey of Grizzly Ridge 1995: A Section 110 Planning Survey, Black Canyon of the Gunnison National Monument, Montrose County, Colorado (other)
Archeological survey in the Grizzly Ridge new-lands acquisition in the Black Canyon of the Gunnison National Monument recorded eight prehistoric archeological sites (5MN4504- 5MN4511) and twenty-four isolated finds (5MN4512-5MN4535). The survey was planned and implemented as a Section 110 of the National Historic Preservation Act inventory activity. The survey was conducted by archeologists from the Western Archeological and Conservation Center (WACC), National Park Service, Department of Interior, Tucson, Arizona as WACC project BLCA 1995A. A total of 875 acres was intensively surveyed as a reconnaissance of the Grizzly Ridge unit. In addition, boundaries of six previously recorded sites were mapped using Global Positioning Systems technology. Three compliance surveys were conducted in conjunction with this project but are not detailed here. This report details the culture history of the region and previous archeological work in the park. Newly discovered archeological sites and isolated finds are described in detail. Preliminary assessments of significance, recommendations for additional significance assessment procedures, and general research areas are presented. Recommendations include formal NRHP testing for sites 5MN4504, 5MN4505, 5MN4509, 5MN451O, and 5MN4511, and exploratory testing of all other sites (5MN4506, 5MN4507, 5MN4508).

Formation Processes in Curecanti Archeology: The Elk Creek Site (other)
Mitigative archeological investigations were conducted in 1983 at the southern end of the important Elk Creek site, 5GN204/205, within Curecanti National Recreation Area prior to construction of a park apartment complex. That portion of the site extended onto a rocky promontory overlooking Blue Mesa Lake. Archeological activities undertaken at the site in 1982 focused upon the western half of the promontory (Jones 1986), while the eastern half of the point was investigated the following year. During the 1983 research, two small chipped-stone concentrations and an isolated projectile point were identified and collected. Stylistic comparisons of several diagnostic artifacts collected in 1983 suggest that an Early or Middle Archaic component was represented. The 1983 work at Elk Creek provided an opportunity to investigate the role of natural erosion in the formation of the Curecanti archeological record. A statistical analysis performed during the project confirmed an initial field impression that the artifacts within one of the chipped-stone concentrations were roughly size-sorted in the direction of the ground surface slope. Based in part upon an analysis of local weather and physical environmental data, that size distribution of artifacts is believed to relate to a postdepositional restructuring of the material by precipitation runoff in combination with deflation of the deposit by strong western and southwestern winds. The study suggests that ongoing erosion by water and wind operating under the particular environmental conditions of the site area may dramatically affect contextual information given the passage of sufficient time, an issue of importance to archeological research elsewhere within Curecanti and other parks in semiarid settings.

Upper Colorado River Basin Valley Centerline (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

09113980_OHIO CREEK ABOVE MOUTH NR GUNNISON, CO (other)
Streamflow and water-quality data collected at the OHIO CREEK ABOVE MOUTH NR GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/655d2063d34ee4b6e05cc9e6 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Upper Colorado River Basin River Sub-basins (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

09119000_TOMICHI CREEK AT GUNNISON, CO (other)
Streamflow and water-quality data collected at the TOMICHI CREEK AT GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/655d2063d34ee4b6e05cc9e6 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

09119000_TOMICHI CREEK AT GUNNISON, CO (other)
Streamflow and water-quality data collected at the TOMICHI CREEK AT GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/5ebeffb082ce476925e66510 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Archeological Survey of Grizzly Ridge 1995: A Section 110 Planning Survey, Black Canyon of the Gunnison National Monument, Montrose County, Colorado (other)
Archeological survey in the Grizzly Ridge new-lands acquisition in the Black Canyon of the Gunnison National Monument recorded eight prehistoric archeological sites (5MN4504- 5MN4511) and twenty-four isolated finds (5MN4512-5MN4535). The survey was planned and implemented as a Section 110 of the National Historic Preservation Act inventory activity. The survey was conducted by archeologists from the Western Archeological and Conservation Center (WACC), National Park Service, Department of Interior, Tucson, Arizona as WACC project BLCA 1995A. A total of 875 acres was intensively surveyed as a reconnaissance of the Grizzly Ridge unit. In addition, boundaries of six previously recorded sites were mapped using Global Positioning Systems technology. Three compliance surveys were conducted in conjunction with this project but are not detailed here. This report details the culture history of the region and previous archeological work in the park. Newly discovered archeological sites and isolated finds are described in detail. Preliminary assessments of significance, recommendations for additional significance assessment procedures, and general research areas are presented. Recommendations include formal NRHP testing for sites 5MN4504, 5MN4505, 5MN4509, 5MN451O, and 5MN4511, and exploratory testing of all other sites (5MN4506, 5MN4507, 5MN4508).

DWCZ- Coal-Creek - CO - Radon -(DWCZ-CC-RadonArray-KJohnson) - (2021) (other)
*This resource is embargoed until fall 2022. Please stay tuned or contactczdata@colorado.edu for more information. Spring and stream sampling across Coal Creek watershed during summer of 2021 (June-October) to estimate groundwater chemistry. Sampled Approximately weekly for synoptic sampling of Coal Creek during summer to assess locations of groundwater discharge to stream. Data shows intermittent spring (IS) and surface water (SW) chemistry - to study Surface and groundwater interactions.

Cement Creek Cave vertebrate fauna (CEMENT) FAUNMAP (Neotoma) (other)
Cement Creek Cave vertebrate fauna (CEMENT) FAUNMAP (Neotoma)

Upper Colorado River Basin River Sub-basins (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Summary Report: Gunnison Climate Adaptation Pilot Project - Betsy Neely (other)
The Gunnison Climate Working Group is piloting a on-the-ground climate adaptation project to buildresilience of riparian areas/wet meadows – priority brood-rearing habitat – to help the Gunnison Sagegrouseand other wildlife species adapt to climate change in the Gunnison Basin. Riparian areas havebeen impacted by head cuts, erosion, and lowered water tables. These impacts will likely increase withincreased drought and erosion from intense rainstorms, decreasing food and chick survival. Afterprioritizing locations and designing treatments, we are building relatively inexpensive low-techstructures in riparian areas on a few ranches to “let the water do the work” to raise the water table andimprove baseflows to support grasses and insects [...]

09114500_GUNNISON RIVER NEAR GUNNISON, CO (other)
Streamflow and water-quality data collected at the GUNNISON RIVER NEAR GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/655d2063d34ee4b6e05cc9e6 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Cement Creek Cave specimen stable isotope (CEMENT) Faunal Isotope Database (Neotoma) (other)
Cement Creek Cave specimen stable isotope (CEMENT) Faunal Isotope Database (Neotoma)

DWCZ CO - Coal Creek (CC) (other)
Coal Creek (CC) is a high-elevation, headwater tributary to the Upper Colorado Basin located in the Ruby-Anthracite Range in the central Colorado Rocky Mountains. The CC watershed is 53 km2 in area and ranges in elevation from 2712 to 3668 meters. CC originates near Lake Irwin and enters the Slate River near the town of Crested Butte before joining East River and eventually the Gunnison River. The watershed is seasonally snow-covered from November through June. The average temperature is 0.9˚C and it receives around 670 mm of precipitation each year, about 66% of which falls as snow (Carroll et al, 2018). The remaining precipitation falls during the summer monsoon season (July through September). Although monsoon rains comprise nearly 40% of the annual precipitation, they contribute minimally to the streamflow because the moisture is taken up by vegetation and lost via evapotranspiration (Carroll et al, 2020). Vegetation in the basin is strongly aspect driven, with north facing aspects dominated by evergreen forest (65%) and south facing aspects dominated by deciduous (9%) and herbaceous (20%) vegetation. High elevation ridges are barren (3%) (Zhi et al, 2019). Discharge in CC is dominated by snowmelt, with average peak flow occurring in June in response to snowmelt. Flows recede throughout the summer and fall, with small peaks in flow due to monsoon events. CC reaches baseflow conditions by early September and they persist throughout the winter until the onset of snowmelt in April. The lower CC watershed is underlain predominately by sandstone (Mesaverde Formation) with glacial till deposits occurring near the streambed. The upper portion of the watershed is underlain by mafic intrusive plutonic rock, emplaced during the Middle Tertiary. Areas of the upper north slope of the watershed are underlain by mudstone (Wasatch Formation).

09113980_OHIO CREEK ABOVE MOUTH NR GUNNISON, CO (other)
Streamflow and water-quality data collected at the OHIO CREEK ABOVE MOUTH NR GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/5ebeffb082ce476925e66510 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Upper Colorado River Basin River Thalweg (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

DWCZ- CO - Coal-Creek - Radon -(DWCZ-CC-RadonArray-KJohnson) - (2021) (other)
*This resource is embargoed until fall 2022. Please stay tuned or contactczdata@colorado.edu for more information. Spring and stream sampling across Coal Creek watershed during summer of 2021 (June-October) to estimate groundwater chemistry. Sampled Approximately weekly for synoptic sampling of Coal Creek during summer to assess locations of groundwater discharge to stream. Data shows intermittent spring (IS) and surface water (SW) chemistry - to study Surface and groundwater interactions. *View Metadata for sensor coordinates and specifications

DWCZ- CO - Coal-Creek, Soil sensors, SoilAuger, Soil Pits, (DWCZ-CC_Soil_LBixby)-(2021) (other)
LOCATION: Coal Creek is a high-elevation, headwater tributary to the Upper Colorado Basin located in the Colorado Rocky Mountains. Coal Creek is also a sub-catchment of the larger East River watershed (300 km2) and falls within the research domain of the Rocky Mountain Biological Laboratory (RMBL). This is the Splains Conifer Granite Site. The overlying vegetation is conifer, underlying bedrock is granite and it is north facing. It is also in a Splains Creek watershed, a subwatershed of Coal Creek. In three components: ABSTRACT CC_1-5_Sensors_Bixby: Soil sensors are installed in 5 different soil pits in Crested Butte. Sites are located in varying bedrock types (Granite and Sandstone) and vegetation types (Aspen and Conifer). Soil moisture and temperature data is collected every 30 minutes. Gas data is collected every hour. ABSTRACT SOIL AUGER CC_SoilAuger_Bixby: Soil data collected from multiple different auger sites and counting. Sites are located in varying bedrock types (Granite and Sandstone) and vegetation types (Aspen and Conifer). ABSTRACT SOIL PITS CC_SoilPits_Bixby: Soil data collected from 5 different soil pits. Sites are located in varying bedrock types (Granite and Sandstone) and vegetation types (Aspen and Conifer). Some additional images: CC_SoilPit_images_Bixby *View Metadata for sensor coordinates and specifications

DWCZ- CO - Coal-Creek - Radon -(DWCZ-CC-RadonArray-KJohnson) - (2021) (other)
*This resource is embargoed until fall 2022. Please stay tuned or contactczdata@colorado.edu for more information. Spring and stream sampling across Coal Creek watershed during summer of 2021 (June-October) to estimate groundwater chemistry. Sampled Approximately weekly for synoptic sampling of Coal Creek during summer to assess locations of groundwater discharge to stream. Data shows intermittent spring (IS) and surface water (SW) chemistry - to study Surface and groundwater interactions. See ESS DIVE link below for isotope data: - Abstract The radon isotope and stable water isotope data for Coal Creek Watershed, Colorado, consists of d2H, d18O, and 222Rn values from samples collected at 8 stream location along Coal Creek, samples from 7 groundwater springs within the watershed, and precipitation isotope samples collected by Next Generation Water Observing System (NGWOS) from a collector within the watershed. All stream and spring samples were collected between June and October, 2021, and precipitation isotope samples were collected between November 2020 and September 2021. These data were collected to evaluate how groundwater contributions to Coal Creek originating from a fractured hillslope and alluvial fan respond to summer monsoon rains and seasonal drying. Understanding of groundwater-surface water interactions in montane systems in critical for the future of water availability in the Western US as groundwater contributions are expected to become more important for sustaining summer stream flows. This data package contains: (1) a csv of all radon samples; (2) a csv of all stream and spring isotope samples; (3) a csv of precipitation isotope samples; and (4) a csv of locations for each sampling site. The dataset additionally includes a file-level metadata (flmd.csv) file that lists each file contained in the dataset with associated metadata; and a data dictionary (dd.csv) file that contains column/row headers used throughout the files along with a definition, units, and data type. *View Metadata for sensor coordinates and specifications

Stream carbon dioxide in the East River watershed, Crested Butte, CO, USA - Brian Saccardi Saccardi; Brian Saccardi Saccardi (other)
Saccardi and Winnick Data contains the East River sample data including chemistry and corrected pCO2 data (n=162) with the included column denoting whether data points were represented by NHDplus data point (n=121) and therefore used in the model.

Upper Colorado River Basin Valley Centerline (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Testing API Python (other)
This resource was created as a demonstration of using Python Client for HydroShareThe imported data are related to Paonia Reservoir, Colorado, USA.

Cement Creek Cave geochronologic (CEMENT) FAUNMAP (Neotoma) (other)
Cement Creek Cave geochronologic (CEMENT) FAUNMAP (Neotoma)

DWCZ CO - Coal Creek (CC) (other)
Coal Creek (CC) is a high-elevation, headwater tributary to the Upper Colorado Basin located in the Ruby-Anthracite Range in the central Colorado Rocky Mountains. The CC watershed is 53 km2 in area and ranges in elevation from 2712 to 3668 meters. CC originates near Lake Irwin and enters the Slate River near the town of Crested Butte before joining East River and eventually the Gunnison River. The watershed is seasonally snow-covered from November through June. The average temperature is 0.9˚C and it receives around 670 mm of precipitation each year, about 66% of which falls as snow (Carroll et al, 2018). The remaining precipitation falls during the summer monsoon season (July through September). Although monsoon rains comprise nearly 40% of the annual precipitation, they contribute minimally to the streamflow because the moisture is taken up by vegetation and lost via evapotranspiration (Carroll et al, 2020). Vegetation in the basin is strongly aspect driven, with north facing aspects dominated by evergreen forest (65%) and south facing aspects dominated by deciduous (9%) and herbaceous (20%) vegetation. High elevation ridges are barren (3%) (Zhi et al, 2019). Discharge in CC is dominated by snowmelt, with average peak flow occurring in June in response to snowmelt. Flows recede throughout the summer and fall, with small peaks in flow due to monsoon events. CC reaches baseflow conditions by early September and they persist throughout the winter until the onset of snowmelt in April. The lower CC watershed is underlain predominately by sandstone (Mesaverde Formation) with glacial till deposits occurring near the streambed. The upper portion of the watershed is underlain by mafic intrusive plutonic rock, emplaced during the Middle Tertiary. Areas of the upper north slope of the watershed are underlain by mudstone (Wasatch Formation).

Aqueous geochemical dynamics of metals and rare earth elements in an acid rock drainage-impacted alpine watershed (other)
Numerous mountain watersheds in the Colorado Mineral Belt (CMB) are impacted by acid rock drainage (ARD) and acid mine drainage (AMD), which mobilize metals and rare earth elements (REEs) into surface waters. In the upper Roaring Fork watershed near Independence Pass, natural ARD from a highly mineralized tributary is the primary source of acidity and element loading into Lincoln Creek, with additional contributions from historical mining at the Ruby Mine. Despite known concerns about metal transport, the fate of REEs remains poorly understood in this system and other similar watersheds. This study focuses on the behavior of major ions, trace metals, and REEs in surface waters along a flow path receiving ARD and AMD inputs. The objectives were to (1) evaluate the transport, mixing, and attenuation of major solutes and REEs across stream reaches, and (2) characterize REE geochemical signatures, including their redox behavior and utility as tracers in ARD/AMD impacted systems. Filtered water samples from six main sites were analyzed by Inductively-Coupled Plasma Mass Spectrometry (ICP-MS) and Ion Chromatography (IC) methods, and results were explored through mass balance transport calculations, bivariate plots, shale-normalized REE patterns, and the cerium anomaly. Water chemistry in the Lincoln Creek basin reveals distinct geochemical fingerprints for the Ruby Mine (enriched in Ca, Mg, Mn, and Cd) and the Mineralized Tributary (enriched in SO4, Fe, Al, and Cu), with several metals showing increasing trends in recent years. REE fractionation patterns and Ce anomalies further distinguish source contributions and processes, with the Mineralized Tributary displaying MREE enrichment from natural pyrite weathering and the Ruby Mine exhibiting HREE enrichment tied to mine-derived flows. Most solutes showed a mix of conservative and reactive transport depending on site and season, while certain late-season metal concentrations at the Grizzly Reservoir inlet exceeded aquatic life standards. These results indicate that source composition mainly controls major solute and REE patterns in surface waters, with reactive transport processes selectively influencing the behavior of certain elements. This thesis advances knowledge of metal and REE dynamics in high-elevation, ARD-affected watersheds and supports continued monitoring and management in the Lincoln Creek basin.

09113980_OHIO CREEK ABOVE MOUTH NR GUNNISON, CO (other)
Streamflow and water-quality data collected at the OHIO CREEK ABOVE MOUTH NR GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/62d86d7ed34e2842e1ed4f9b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Upper Colorado River Basin Cottonwood Monitoring Picture Locations (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Paonia Reservoir_ Modeling (other)
This Resource contains input data required to build a numerical model for Paonia Reservoir, Colorado, USA. The provided data includes: - Upstream discharges since 1962 - Sediment rating curve - Geospatial files (Paonia basin, streams and gages shapefiles, GeoTIFF elevation) The author is working on using the SRH-1D model to simulate the reservoir operation. The outputs will be posted. This resource contains an API Python file.

Stream carbon dioxide in the East River watershed, Crested Butte, CO, USA (other)
Saccardi and Winnick Data contains the East River sample data including chemistry and corrected pCO2 data (n=162) with the included column denoting whether data points were represented by NHDplus data point (n=121) and therefore used in the model.

DWCZ- CO - Coal-Creek - Radon -(DWCZ-CC-RadonArray-KJohnson) - (2021) (other)
*This resource is embargoed until fall 2022. Please stay tuned or contactczdata@colorado.edu for more information. Spring and stream sampling across Coal Creek watershed during summer of 2021 (June-October) to estimate groundwater chemistry. Sampled Approximately weekly for synoptic sampling of Coal Creek during summer to assess locations of groundwater discharge to stream. Data shows intermittent spring (IS) and surface water (SW) chemistry - to study Surface and groundwater interactions. *View Metadata for sensor coordinates and specifications

Aqueous geochemical dynamics of metals and rare earth elements in an acid rock drainage-impacted alpine watershed (other)
Numerous mountain watersheds in the Colorado Mineral Belt (CMB) are impacted by acid rock drainage (ARD) and acid mine drainage (AMD), which mobilize metals and rare earth elements (REEs) into surface waters. In the upper Roaring Fork watershed near Independence Pass, natural ARD from a highly mineralized tributary is the primary source of acidity and element loading into Lincoln Creek, with additional contributions from historical mining at the Ruby Mine. Despite known concerns about metal transport, the fate of REEs remains poorly understood in this system and other similar watersheds. This study focuses on the behavior of major ions, trace metals, and REEs in surface waters along a flow path receiving ARD and AMD inputs. The objectives were to (1) evaluate the transport, mixing, and attenuation of major solutes and REEs across stream reaches, and (2) characterize REE geochemical signatures, including their redox behavior and utility as tracers in ARD/AMD impacted systems. Filtered water samples from six main sites were analyzed by Inductively-Coupled Plasma Mass Spectrometry (ICP-MS) and Ion Chromatography (IC) methods, and results were explored through mass balance transport calculations, bivariate plots, shale-normalized REE patterns, and the cerium anomaly. Water chemistry in the Lincoln Creek basin reveals distinct geochemical fingerprints for the Ruby Mine (enriched in Ca, Mg, Mn, and Cd) and the Mineralized Tributary (enriched in SO4, Fe, Al, and Cu), with several metals showing increasing trends in recent years. REE fractionation patterns and Ce anomalies further distinguish source contributions and processes, with the Mineralized Tributary displaying MREE enrichment from natural pyrite weathering and the Ruby Mine exhibiting HREE enrichment tied to mine-derived flows. Most solutes showed a mix of conservative and reactive transport depending on site and season, while certain late-season metal concentrations at the Grizzly Reservoir inlet exceeded aquatic life standards. These results indicate that source composition mainly controls major solute and REE patterns in surface waters, with reactive transport processes selectively influencing the behavior of certain elements. This thesis advances knowledge of metal and REE dynamics in high-elevation, ARD-affected watersheds and supports continued monitoring and management in the Lincoln Creek basin.

Aqueous geochemical dynamics of metals and rare earth elements in an acid rock drainage-impacted alpine watershed (other)
Numerous mountain watersheds in the Colorado Mineral Belt (CMB) are impacted by acid rock drainage (ARD) and acid mine drainage (AMD), which mobilize metals and rare earth elements (REEs) into surface waters. In the upper Roaring Fork watershed near Independence Pass, natural ARD from a highly mineralized tributary is the primary source of acidity and element loading into Lincoln Creek, with additional contributions from historical mining at the Ruby Mine. Despite known concerns about metal transport, the fate of REEs remains poorly understood in this system and other similar watersheds. This study focuses on the behavior of major ions, trace metals, and REEs in surface waters along a flow path receiving ARD and AMD inputs. The objectives were to (1) evaluate the transport, mixing, and attenuation of major solutes and REEs across stream reaches, and (2) characterize REE geochemical signatures, including their redox behavior and utility as tracers in ARD/AMD impacted systems. Filtered water samples from six main sites were analyzed by Inductively-Coupled Plasma Mass Spectrometry (ICP-MS) and Ion Chromatography (IC) methods, and results were explored through mass balance transport calculations, bivariate plots, shale-normalized REE patterns, and the cerium anomaly. Water chemistry in the Lincoln Creek basin reveals distinct geochemical fingerprints for the Ruby Mine (enriched in Ca, Mg, Mn, and Cd) and the Mineralized Tributary (enriched in SO4, Fe, Al, and Cu), with several metals showing increasing trends in recent years. REE fractionation patterns and Ce anomalies further distinguish source contributions and processes, with the Mineralized Tributary displaying MREE enrichment from natural pyrite weathering and the Ruby Mine exhibiting HREE enrichment tied to mine-derived flows. Most solutes showed a mix of conservative and reactive transport depending on site and season, while certain late-season metal concentrations at the Grizzly Reservoir inlet exceeded aquatic life standards. These results indicate that source composition mainly controls major solute and REE patterns in surface waters, with reactive transport processes selectively influencing the behavior of certain elements. This thesis advances knowledge of metal and REE dynamics in high-elevation, ARD-affected watersheds and supports continued monitoring and management in the Lincoln Creek basin.

Upper Colorado River Basin Floodplain Land Cover (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Upper Colorado River Basin Floodplain Land Cover (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Upper Colorado River Basin Floodplain Percent Cottonwood Cover (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Gothic (CO) Euphydryas gillettii vital rates 1981-1985, 2002-2004 (other)
Data were collected during July-September in 1981 through 1985 and during June-September 2002 through 2004. Mark-release-recapture was done for adult butterflies, and daily survival rate estimated for females using Jolly-Seber methods. Egg clusters were counted, along with number of eggs per cluster. Data were collected each year on egg cluster survival, and in 2004 on larval survival conditional on egg cluster survival. The data were used to construct yearly vital rates, including daily probability of laying an egg cluster, cluster size, survival from egg to diapause, survival over-winter to adult stage, and female daily survival probability. Population sizes were decreasing during nearly all years included in the data set, although a 1-2 order of magnitude increase in size occured ca. 2000-2, which is not included here.

09119000_TOMICHI CREEK AT GUNNISON, CO (other)
Streamflow and water-quality data collected at the TOMICHI CREEK AT GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/62d86d7ed34e2842e1ed4f9b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Upper Colorado River Basin Cottonwood Monitoring Picture Locations (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

09112200_EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO (other)
Streamflow and water-quality data collected at the EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO go to: https://www.sciencebase.gov/catalog/item/655d2063d34ee4b6e05cc9e6 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

09112200_EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO (other)
Streamflow and water-quality data collected at the EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO go to: https://www.sciencebase.gov/catalog/item/62d86d7ed34e2842e1ed4f9b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

DWCZ - CO - Coal Creek - Soil Collection ICP - (DWCZ-MEF-CC-SoilSample-Transect-AWinkler) - (2022-2023) (other)
Locations: Coal Creek, which serves as the drinking water source for the town of Crested Butte, CO, receives both acid mine and acid rock drainage as a result of legacy mining and fractured porphyry networks, respectively. It has a Koppen climate class of Dfc, aka continental subarctic. Local ecology of the creek varies from site to site, with some parts being far more vegetative than others. Abstract: Acid mine drainage (AMD) and acid rock drainage (ARD) result in acidic, metal-laden solutions that seep into surface and groundwater systems. The hyporheic zone, where surface and groundwater meet, serves as a natural filtration system, where biogeochemical reactions occur that influence metal retention and transformation. By analyzing changes in metal concentrations and phases throughout time and space, valuable information can be gained in regards to the mechanisms at work within the hyporheic zone. Hyporheic sediment and sediment from planted control soil columns were sampled on a seasonal basis along Coal Creek, an area affected by both AMD and ARD. Samples were analyzed for phase changes via XRD and SEM and sequential extractions created using the samples were analyzed via ICP-OES for elemental fraction concentrations. Preliminary results show the retention and release of metals via redox chemistry. These changes are seasonally dynamic and vary from site to site along the creek, illustrating the capacity of the hyporheic zone to act as a filter for AMD at different points throughout the year.

Upper Colorado River Basin River Thalweg (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

DWCZ - CO - Coal Creek - Soil Collection ICP - (DWCZ-MEF-CC-SoilSample-Transect-AWinkler) - (2022-2023) (other)
Locations: Coal Creek, which serves as the drinking water source for the town of Crested Butte, CO, receives both acid mine and acid rock drainage as a result of legacy mining and fractured porphyry networks, respectively. It has a Koppen climate class of Dfc, aka continental subarctic. Local ecology of the creek varies from site to site, with some parts being far more vegetative than others. Abstract: Acid mine drainage (AMD) and acid rock drainage (ARD) result in acidic, metal-laden solutions that seep into surface and groundwater systems. The hyporheic zone, where surface and groundwater meet, serves as a natural filtration system, where biogeochemical reactions occur that influence metal retention and transformation. By analyzing changes in metal concentrations and phases throughout time and space, valuable information can be gained in regards to the mechanisms at work within the hyporheic zone. Hyporheic sediment and sediment from planted control soil columns were sampled on a seasonal basis along Coal Creek, an area affected by both AMD and ARD. Samples were analyzed for phase changes via XRD and SEM and sequential extractions created using the samples were analyzed via ICP-OES for elemental fraction concentrations. Preliminary results show the retention and release of metals via redox chemistry. These changes are seasonally dynamic and vary from site to site along the creek, illustrating the capacity of the hyporheic zone to act as a filter for AMD at different points throughout the year.

DWCZ- CO - Coal-Creek, Soil sensors, SoilAuger, Soil Pits, (DWCZ-CC_Soil_LBixby)-(2021) - Lena Bixby; Lena Bixby (other)
LOCATION: Coal Creek is a high-elevation, headwater tributary to the Upper Colorado Basin located in the Colorado Rocky Mountains. Coal Creek is also a sub-catchment of the larger East River watershed (300 km2) and falls within the research domain of the Rocky Mountain Biological Laboratory (RMBL). This is the Splains Conifer Granite Site. The overlying vegetation is conifer, underlying bedrock is granite and it is north facing. It is also in a Splains Creek watershed, a subwatershed of Coal Creek. In three components: ABSTRACT CC_1-5_Sensors_Bixby: Soil sensors are installed in 5 different soil pits in Crested Butte. Sites are located in varying bedrock types (Granite and Sandstone) and vegetation types (Aspen and Conifer). Soil moisture and temperature data is collected every 30 minutes. Gas data is collected every hour. ABSTRACT SOIL AUGER CC_SoilAuger_Bixby: Soil data collected from multiple different auger sites and counting. Sites are located in varying bedrock types (Granite and Sandstone) and vegetation types (Aspen and Conifer). ABSTRACT SOIL PITS CC_SoilPits_Bixby: Soil data collected from 5 different soil pits. Sites are located in varying bedrock types (Granite and Sandstone) and vegetation types (Aspen and Conifer). Some additional images: CC_SoilPit_images_Bixby *View Metadata for sensor coordinates and specifications

Formation Processes in Curecanti Archeology: The Elk Creek Site (other)
Mitigative archeological investigations were conducted in 1983 at the southern end of the important Elk Creek site, 5GN204/205, within Curecanti National Recreation Area prior to construction of a park apartment complex. That portion of the site extended onto a rocky promontory overlooking Blue Mesa Lake. Archeological activities undertaken at the site in 1982 focused upon the western half of the promontory (Jones 1986), while the eastern half of the point was investigated the following year. During the 1983 research, two small chipped-stone concentrations and an isolated projectile point were identified and collected. Stylistic comparisons of several diagnostic artifacts collected in 1983 suggest that an Early or Middle Archaic component was represented. The 1983 work at Elk Creek provided an opportunity to investigate the role of natural erosion in the formation of the Curecanti archeological record. A statistical analysis performed during the project confirmed an initial field impression that the artifacts within one of the chipped-stone concentrations were roughly size-sorted in the direction of the ground surface slope. Based in part upon an analysis of local weather and physical environmental data, that size distribution of artifacts is believed to relate to a postdepositional restructuring of the material by precipitation runoff in combination with deflation of the deposit by strong western and southwestern winds. The study suggests that ongoing erosion by water and wind operating under the particular environmental conditions of the site area may dramatically affect contextual information given the passage of sufficient time, an issue of importance to archeological research elsewhere within Curecanti and other parks in semiarid settings.

Testing API Python (other)
This resource was created as a demonstration of using Python Client for HydroShareThe imported data are related to Paonia Reservoir, Colorado, USA.

Testing API Python (other)
This resource was created as a demonstration of using Python Client for HydroShareThe imported data are related to Paonia Reservoir, Colorado, USA.

TNC Fact Sheet: Managing for Change in the Gunnison Basin: Building Resilience - Betsy Neely (other)
Our actions today to build ecosystem resilience to climate change will help us protect the Gunnison Basin’s natural resources—clean air and wildlife habitat, and the livelihoods they provide in the future for people. The Gunnison Climate Working Group, a group of public and private partners formed in 2010, is looking to understand the threats posed by climate change, identify strategies to reduce adverse impacts, and promote coordinated implementation of these strategies.This group is also collaborating with the Southwest Climate Change Initiative (SWCCI), whose aim is to provide climate adaptation information and tools to conservation practitioners in vulnerable landscapes of Arizona, Colorado, New Mexico and Utah. Colorado’s Gunnison [...]

GAP Web Service: Gunnison Sage-grouse (other)
The USGS GAP Analysis Program has developed range maps and distribution models for 1401 species, 604 of which are found within the SRLCC. This record's parent folder contains several examples of GAP species web services. The GAP website has a complete list of available web services for species as well as a map viewer for species data. Species: Gunnison Sage-grouse ( Centrocercus minimus) There are two web services for this species: the range map, showing the geographic limits within which the species can be found, and a distribution model, which predicts the environment within the range that is suitable for occupation by the species. Link to metadata for GAP range maps and distribution models. To access services, select one of [...]

09114500_GUNNISON RIVER NEAR GUNNISON, CO (other)
Streamflow and water-quality data collected at the GUNNISON RIVER NEAR GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/5ebeffb082ce476925e66510 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

DWCZ Coal Creek (CC) (other)
Coal Creek (CC) is a high-elevation, headwater tributary to the Upper Colorado Basin located in the Ruby-Anthracite Range in the central Colorado Rocky Mountains. The CC watershed is 53 km2 in area and ranges in elevation from 2712 to 3668 meters. CC originates near Lake Irwin and enters the Slate River near the town of Crested Butte before joining East River and eventually the Gunnison River. The watershed is seasonally snow-covered from November through June. The average temperature is 0.9˚C and it receives around 670 mm of precipitation each year, about 66% of which falls as snow (Carroll et al, 2018). The remaining precipitation falls during the summer monsoon season (July through September). Although monsoon rains comprise nearly 40% of the annual precipitation, they contribute minimally to the streamflow because the moisture is taken up by vegetation and lost via evapotranspiration (Carroll et al, 2020). Vegetation in the basin is strongly aspect driven, with north facing aspects dominated by evergreen forest (65%) and south facing aspects dominated by deciduous (9%) and herbaceous (20%) vegetation. High elevation ridges are barren (3%) (Zhi et al, 2019). Discharge in CC is dominated by snowmelt, with average peak flow occurring in June in response to snowmelt. Flows recede throughout the summer and fall, with small peaks in flow due to monsoon events. CC reaches baseflow conditions by early September and they persist throughout the winter until the onset of snowmelt in April. The lower CC watershed is underlain predominately by sandstone (Mesaverde Formation) with glacial till deposits occurring near the streambed. The upper portion of the watershed is underlain by mafic intrusive plutonic rock, emplaced during the Middle Tertiary. Areas of the upper north slope of the watershed are underlain by mudstone (Wasatch Formation).

Colorado Plateau REA Gunnison Sage-Grouse and Protected Areas (other)
This map shows distribution of the Gunnison Sage-Grouse relative to various protected areas.

09112200_EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO (other)
Streamflow and water-quality data collected at the EAST RIVER BELOW CEMENT CREEK NR CRESTED BUTTE, CO go to: https://www.sciencebase.gov/catalog/item/5ebeffb082ce476925e66510 for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Archeological Survey of Black Canyon of the Gunnison National Monument and Archeological Inventory and Evaluation of Curecanti Recreation Area (other)
The survey and research work conducted at Black Canyon of the Gunnison National Recreation Area and Curecanti Recreation Area are clear examples of how meagre beginnings can develop into a fruitful, long-range program designed on the one hand to meet National Park Service management needs, and on the other hand to provide an understanding of an area prehistory following a program designed to answer a series of questions about the culture history and adaptive patterns in a particular area.

Upper Colorado River Basin Cottonwood Monitoring Picture Locations .mpk (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Gothic (CO) Euphydryas gillettii vital rates 1981-1985, 2002-2004 (other)
Data were collected during July-September in 1981 through 1985 and during June-September 2002 through 2004. Mark-release-recapture was done for adult butterflies, and daily survival rate estimated for females using Jolly-Seber methods. Egg clusters were counted, along with number of eggs per cluster. Data were collected each year on egg cluster survival, and in 2004 on larval survival conditional on egg cluster survival. The data were used to construct yearly vital rates, including daily probability of laying an egg cluster, cluster size, survival from egg to diapause, survival over-winter to adult stage, and female daily survival probability. Population sizes were decreasing during nearly all years included in the data set, although a 1-2 order of magnitude increase in size occured ca. 2000-2, which is not included here.

Colorado Plateau REA Conservation Elements - Terrestrial Species: Gunnison Sage-Grouse (other)
This map shows the potential current distribution of Gunnison sage-grouse, in the context of current and near-term terrestrial intactness and long-term potential for climate change and energy development.

Paonia Reservoir_ Modeling (other)
This Resource contains input data required to build a numerical model for Paonia Reservoir, Colorado, USA. The provided data includes: - Upstream discharges since 1962 - Sediment rating curve - Geospatial files (Paonia basin, streams and gages shapefiles, GeoTIFF elevation) The author is working on using the SRH-1D model to simulate the reservoir operation. The outputs will be posted. This resource contains an API Python file.

Webinar: Building Resilience to Climate Change in the Gunnison Basin - Betsy Neely (other)
Webinar on Building Resilience to Climate Change in the Gunnison Basin

09114500_GUNNISON RIVER NEAR GUNNISON, CO (other)
Streamflow and water-quality data collected at the GUNNISON RIVER NEAR GUNNISON, CO go to: https://www.sciencebase.gov/catalog/item/62d86d7ed34e2842e1ed4f9b for the complete dataset and associated metadata.Possible file types include: aflow.csv: Annual flow data; aloads.csv: Annual water-quality load data; dflow.csv: Daily flow data; discqw.csv: Discrete water-quality results; mflow.csv: Monthly flow data; mloads.csv: Monthly water-quality load data; pestlong.csv: Pesticide abbreviations, long names, USGS parameter codes, and (CAS) numbers; pestsamp.csv: Discrete pesticide results

Upper Colorado River Basin Floodplain Percent Cottonwood Cover (other)
The Southern Rockies LCC is home to narrowleaf cottonwood (Populus angustifolia), common at elevations above 1800 m, and Fremont cottonwood [a common name regionally attached to the ecologically very similar Populus fremontii subsp. fremontii S. Watson and P. deltoides subsp. wislizenii (S. Watson) Eckenwalder, as well as their intergrades], which is typically found at elevations below 1800 m. This geographical information system (GIS) contains the data sets used in an assessment of the amount and character of native Fremont cottonwood forest remaining on the mainstem floodplains in 26 subbasins in the Upper Colorado River Basin (UCRB), published in 2007 (Andersen, D.C., D.J. Cooper, and K. Northcott. 2007. Dams, floodplain land use, [...]

Paonia Reservoir_ Modeling (other)
This Resource contains input data required to build a numerical model for Paonia Reservoir, Colorado, USA. The provided data includes: - Upstream discharges since 1962 - Sediment rating curve - Geospatial files (Paonia basin, streams and gages shapefiles, GeoTIFF elevation) The author is working on using the SRH-1D model to simulate the reservoir operation. The outputs will be posted. This resource contains an API Python file.

"Schedule of Proposed Actions" for the Grand Mesa, Uncompahgre, and Gunnison National Forests. (1994)
Management plan (1/1/94 to 6/30/94). Covers Grand Mesa National Forest, Uncompahgre National Forest, Gunnison National Forest. Topics: Allotment Management Plan, Travel Management Plan, Noxious Weed Control, Prescribed Fire. Agencies: Forest Service, US Department of Agriculture, Bureau of Land Management. Cites 7 external works.

"Summary of Qualifications Westinghouse Plasma Gasification Technology "

$1 million question: Some would profit greatly from water deal (2000)
News article. Covers Lower Arkansas Valley, Rocky Ford Ditch, Aurora. Topics: water rights transfer, consumptive use.

1974 Comparison Average Annual River Basin Water Supply (1974)
Water report (1974). Covers Platte, Arkansas, Rio Grande. Topics: water supply, water rights. Agencies: Bureau of Reclamation, Colorado Department of Natural Resources, Colorado Water Conservation Board. Cites 2 external works.

1980 (1980)
Technical report (1979-1980). Covers Gunnison, Colorado, Marshall Creek. Topics: revegetation, hydromulching, reclamation, overburden. Agencies: Homestake Mining Company, Western State College, Colorado Mined Land Reclamation Board. Cites 4 external works.

1993 Annual Legislative Review: Reinventing State Water Rights Systems (1993)
Technical report (1993). Covers Kiamichi River Basin, Sardis River, Texas. Topics: water transfers, water rights, groundwater exports, water conservation. Agencies: ITS, Oklahoma legislature, Yuba County Water Agency. Cites 49 external works.

1993 Annual Water Law and Water Policy Conference (1993)
Technical report (1993). Covers Colorado, Denver, La Junta. Topics: water law, water policy, water reallocation, public interest. Agencies: Institute for Advanced Legal Studies, University of Denver College of Law, Stratecon, Inc.. Cites 63 external works.

1994 Colorado Water Workshop (1994)
Technical report (1994-2010). Covers Colorado Springs, Pikes Peak, Garden of the Gods. Topics: water supply, transmountain water diversion, water conservation, demand-side management. Agencies: City of Colorado Springs, City Council, Water Resources Department. Cites 1 external work.

2000 (2000)
News article. Covers southwestern United States, Albuquerque, New Mexico. Topics: drought conditions, recurring 72-year pattern of droughts. Agencies: University of New Mexico.

24th Annual Water Workshop (1999)
“The Appropriation Doctrine Meets Miss Manners: Can a Social Conscience Be Developed Within the Appropriation Doctrine?” L. Richard Bratton BRATTON & McCLOW, LLC July 28th 1999

25 Facts About Water in the San Luis Valley
Technical report (1887-1995). Covers San Luis Valley, Rio Grande Conservation District, Alamosa. Topics: precipitation, groundwater, surface water, irrigation. Agencies: United States Department of Agriculture, USDA, Rio Grande Conservation District.

3-Stage FERC Consultation Process Licensing and Relicensing Regulations (1991)
Technical report. Covers Eastern U.S., Western U.S.. Topics: hydropower licensing process, pre-filing consultation, public participation, hydropower licensing. Agencies: Federal Energy Regulatory Commission, Forest Service, NMFS. Cites 13 external works.

A 1985 Marketing Survey Summer Tourism in Gunnison County (1985)
By Stephen M. Van De Velde and Rural Communities Institute at Western State College of Colorado. 1985.

A 1985 Marketing Survey: Summer Tourism in Gunnison County (1985)
Recreation study (1985). Covers Gunnison County, Gunnison, Colorado. Topics: tourism, marketing survey, tourist demographics, summer tourism. Agencies: Gunnison Country Chamber of Commerce, Rural Communities Institute, Western State College of Colorado. Cites 7 external works.

A Bill for an Act Concerning State Planning and Infrastructure
Legislation (2000-2002). Covers Colorado, eastern slopes, western slopes. Topics: state planning for infrastructure, population growth, integrated water infrastructure facilities, water supply project. Agencies: Colorado Water Conservation Board, General Assembly of the State of Colorado, Colorado water conservation board construction fund. Cites 5 external works.

A Bill to Authorize the Secretary of the Interior to Contruct, Operate, and Maintain the Colorado River Storage Project and Participating Projects, and for Other Purposes (1955)
Legislation (1955). Covers Colorado River Basin, upper Colorado River Basin, Colorado. Topics: Colorado River Storage Project, water storage, irrigation, irrigation projects. Agencies: Committee on Interior and Insular Affairs, House of Representatives, Department of the Interior. Cites 20 external works.

A Citizen's Factsheet: Utility Rate Structures Should Promote Energy Conservation (1976)
Document (1970-1980). Covers Colorado, Denver, Chicago. Topics: utility rate structures, energy conservation, Lifeline rates, peak-load pricing. Agencies: Colorado Open Space Council, Federal Energy Administration, Public Utilities Commission. Cites 24 external works.

A Citizens? View of Land Use in Colorado (1976)
Technical report (1976-1977). Covers Colorado, transmountain. Topics: land use, water policies, land use controls, transferable development rights. Agencies: Colorado Land Use Commission, Colorado General Assembly, Governor's office. Cites 3 external works.

A Citizen’s Guide to Radon: what it is and what to do about it (1968)
Technical report (1986). Covers United States, West, Colorado. Topics: radon, indoor air quality, lung cancer risk, radon detection. Agencies: United States Environmental Protection Agency, Office of Air and Radiation, U.S. Department of Health and Human Services. Cites 2 external works.

A Classification of the Riparian Vegetation of the Gunnison River Basin, Colorado
Technical report (October 1995). Covers Gunnison River Basin, Colorado, Ft. Collins. Topics: riparian vegetation classification, plant associations, environmental correlations, riparian plant association. Agencies: Colorado Department of Natural Resources, Environmental Protection Agency, Colorado Natural Heritage Program. Cites 15 external works.

A Colorado Citizen’s Guide to Achieving a Healthy Community, Economy, and Environment
A handbook to Colorado citizen’s guide to achieving a healthy community, economy and environment

A Comparative Assessment of Commercial Technologies for Conversion of Solid Waste to Energy
Technical report (October 2013). Covers US, Europe, Japan. Topics: refuse derived fuel, mass burn firing, air fed gasification, municipal solid waste. Agencies: USEPA, US Department of Energy, EnviroPower Renewable Inc.. Cites 20 external works.

A Conduct and Evaluation of A Cloud Seeing Program
Technical report (2011-2012). Covers Upper Gunnison River Basin, Gunnison County, Hinsdale. Topics: cloud seeding, weather modification, selective seeding, snowpack water equivalent. Agencies: North American Weather Consultants, Colorado Water Conservation Board, Dos Rios Water System. Cites 14 external works.

A Fence Design for Excluding Elk Without Impeding Other Wildlife (2007)
Kurt C. VerCauteren, Nathan W. Seward, Michael J. Lavelle, Justin W. Fischer, and Gregory E. Phillips. Rangeland Ecology & Management 60(5). September 2007.

A Future for Colorado (1976)
Technical report (1976). Covers Colorado, Denver, Maroon Bells-Snowmass. Topics: wilderness designation, roadless areas, wilderness study, land use planning. Agencies: The Wilderness Society, U.S. Forest Service, National Forest Service. Cites 13 external works.

A Geologist's View of Global Change
|’: There have been about 40 glacial cycles during the f = past 3 million years. Civilization developed during the "Current interglacial that has lasted about 12,000 years. Temperature Glacial 5 5.0 4° 35 a 1 05 0 400,000 Years 4 Million Yea rs Pleistocene H Stone Age | Today's CO, level is higher than it has been for 650,000 years. Temperature (C) mn h& yO 2 Deuterium %eo CO, and temperature are linked. CO, (ppmv) 400 40,000 Years | 200 100 0

A Guide for Local Government Agencies- Establishing Cost Allocation Plans and Indirect Cost Proposals for Grants and Contracts with the Federal Government (1968)
U.S Department of Health, Education, and Welfare- Eilliot L. Richardson, James F. Kelly, Ernest M. Allen, Sc.D. 1968.

A Land Use Program For Colorado (1973)
County plan (1970-2000). Covers Colorado, Denver, Durango. Topics: land use planning, growth management, quality of life, orderly development. Agencies: Colorado Land Use Commission, Arthur D. Little, Inc., Colorado General Assembly. Cites 8 external works.

A Land Use Program for Colorado- A Report by the Colorado Land Use Commission
Management plan (1970-2000). Covers Colorado, Denver, Durango. Topics: land use planning, growth management, quality of life, energy development. Agencies: Colorado Land Use Commission, Colorado General Assembly, U.S. Bureau of the Census. Cites 21 external works.

A Modest Proposal for the Best in Colorado Water Development (2003)
Correspondence. Covers Gunnison, Colorado, Grand Junction. Topics: water storage, Beaver Enhanced Storage Technology, stream flow, watershed restoration. Agencies: University of Wyoming, Exxon Corporation. Cites 1 external work.

A Multilevel Analysis of Production Capabilities of the National Forest System (1991)
Technical report (1974-1990). Covers Fort Collins, Colorado, United States. Topics: multiresource production capabilities, national planning, multilevel optimization, linear programming. Agencies: USDA Forest Service, Forest Service, Secretary of Agriculture. Cites 24 external works.

A Multilevel Optimization System for Large-Scale Renewable Resource Planning (1986)
Technical report. Covers Fort Collins, Colorado, Rocky Mountain. Topics: renewable resource planning, multilevel optimization, large-scale resource management, national planning. Agencies: USDA Forest Service, United States Department of Agriculture, Forest Service. Cites 19 external works.

A Multilevel Optimization System for Large-Scale Renewable Resource Planning (1986)
Technical report (1986). Covers Rocky Mountain, Fort Collins, Colorado. Topics: multilevel optimization, renewable resource planning, timber output, forage output. Agencies: USDA Forest Service, United States Department of Agriculture, Forest Service. Cites 20 external works.

A New Hydrologic Perspective of How Beaver Ponds Function
Technical report (1994). Covers Bridge Creek, John Day Fossil Beds National Monument, John Day River. Topics: hydrologic effects, subsurface flow patterns, groundwater recharge, water temperature moderation. Agencies: Blue Mountains Natural Resource Institute, Oregon State University, Winema National Forest. Cites 2 external works.

A Pebble Count Procedure for Assessing Watershed Cumulative Effects (1995)
Technical report (1992). Covers Shoshone National Forest, Cody, Wyoming. Topics: watershed cumulative effects, pebble count procedure, stream monitoring, particle size distributions. Agencies: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. Cites 19 external works.

A Photographic Utilization Guide for Key Riparian Graminoids (1994)
Technical report. Topics: photographic utilization guide, riparian. Agencies: USFS. Cites 1 external work.

A Proposal to Research Processses for Utilizing Information and for Developing as Broad-Based Consensus as Possible in Decision Making for Small Size Communities in Western Colorado Impacted by Energy Developments (1975)
Technical report (1972-1975). Covers Western Colorado, Washington, D.C., Mt. Rainier. Topics: decision making for small size communities, energy developments, broad-based consensus. Agencies: U.S. Department of the Interior, Bureau of Land Management, Mt. Rainier Youth Conservation Corps. Cites 2 external works.

A Resolution Adopting Temporary Regulations for Gunnison County Land Use Change, Access, Reclamation, Individual Sewage Disposal System or Building Permits on Lands Located Wholly or Partially Within a 0.60 Mile Radius of a Gunnison Sage-Grouse Lek or Located Wholly or Partially Within Gunnison Sage-Grouse Occupied Habitat (2006)
Jim Starr, Hap Channell, Paula Swenson. Board of County Commissioners County of Gunnison, Colorado. June 2006.

A Resolution Amending Section 11-106: Protection of Wildlife Habitat Areas and Related Sections of the Gunnison County Land USe Resolution and Replacing the Temporary Regulations for Gunnison County Land Use Change, Access, Reclamation, Individual Sewage Disposal System or Building Permits on Lands Located Wholly or Partially Within a 0.60 Mile Radius of a Gunnison Sage-Grouse Lek or Located Wholly or Partially Within Gunnison Sage-Grouse Occupied Habitat (2007)
Jim Starr, Hap Channell, Paula Swenson. Board of County Commissioners County of Gunnison, Colorado. April 3, 2007.

A State at Risk: A Study of Colorado River Compact Obligations
Technical report (1896-1999). Covers Colorado River Basin, Continental Divide, Front Range. Topics: Colorado River Compact, trans-mountain diversion, water allocations, water allocation. Agencies: POWER, Bureau of Reclamation, U.S. Supreme Court. Cites 18 external works.

A System for Conservation Planning: Progress in Summit and Larimer Counties
One of the overarching goals of the Colorado Division of Wildlife Long Range Plan is to "Lead statewide efforts involving federal, state, county and local governments, private landowners and other organizations to define and identify high-priority habitats in the state." A System for Conservation Planning (hereafter, SCoP, pronounced "scope") is an experimental project that is helping set priorities for habitat protection. SCoP was motivated by the realization that rapid growth of the human population will be the most important source of change in wildlife habitat in Colorado during the coming decade and beyond. In the face of such change, Colorado counties and municipalities need ways to identify particularly significant wildlife habitats. They also need tools to protect those habitats. ‘ The mission of the SCoP project is to help local communities set biologically sound priorities for habitat conservation and to inform those communities of the economic and regulatory mechanisms available to achieve habitat conservation. To accomplish this mission, the goal of the SCoP project is to. obtain, assemble, and distribute state of the art information on effects of land use on wildlife diversity, particularly land use associated with rapid _ population growth. SCoP is working toward this goal in three parallel efforts: * Development of a collaborative process to help decision makers, planners, and citizens work together to set conservation priorities. * Production.of accessible information systems that. will help citizens and decision makers foresee large scale, cumulative effects of changes in land use on wildlife

A Useful Guide to Architecture, History and Building in Crested Butte (1976)
Document (1860-1975). Covers Crested Butte, Elk Mountains, Gunnison country. Topics: historic preservation, Western Victorian architecture, building considerations, site design. Agencies: Town of Crested Butte, Federal Government, Board of Zoning and Architectural Review. Cites 5 external works.

A Useful Guide to Architecture, History, & Building in Crested Butte (1995)
community guide (1860-1975). Covers Crested Butte, Elk Mountains, Mount Teocalli. Topics: Western Victorian architecture, building considerations, site design, architectural style. Agencies: Town of Crested Butte, Federal Government, Board of Zoning and Architectural Review. Cites 5 external works.

A Walking Tour of Crested Butte
fe IO © OO@|. so Ks = TOWN © iS A : RK = ‘ g : Ae ote O J eee : 4~ To KEBLER. PASS WHITE ROCK AVE. : ar Vr lf rr MH {72 BG Minne \\ TOWN HISTORY Hy Crested Butte's first inhabitants were the Ute Indians, who came here during the summers. When mining I : ested Butte served as the supply town for in this area, the Indians were squeezed out. In the late Lda es stad SUSE sae ey and Rio. Grande all the surrounding mining areas. The Town was incorporated laid a narrow gauge railway from Gunnison to Crested Butte. Towns like Irwin, Pittsburg, Elkton, Ashcroft, Gothic, and Aspen utilized the railhead at Crested Butte. rel Colorado Fuel and Iron Company owned the largest coal mines here but other smaller operat oe alee Sete ed, In the 30's and 40's, the C.F. & I. began finding coal closer to their steel mills in Pue ae Ak Crested Butte mines began shutting down. In 1952, the last mine (Big Mine) was closed and Crested Butte s mining days were essentially over. At that time, many families were forced to leave town to seek work. The few who remained, saw the Phens ing of the Keystone Mine up Kebler Pass and were able to continue mining. But this was sporadic, and the

A big blunder
News article. Covers Pueblo, Denver, Aurora. Topics: water storage capacity, water transfers, water rights. Agencies: U.S. Bureau of Reclamation, City of Pueblo, Southeastern Colorado Water Conservancy District. Cites 2 external works.

AG Update Special Inventory Report Cattle, Sheep, Hogs, Chickens with 1993 Annual Crop Summary Special Issue (1993)
Technical report (1992-1994). Covers Colorado, Lakewood, United States. Topics: livestock inventory, cattle production, sheep production, swine production. Agencies: Colorado Agricultural Statistics Service, U.S. Department of Agriculture, Colorado Department of Agriculture.

AG Update Special Inventory Report Cattle, Sheep, Hogs, Chickens with 1996 Annual Crop Summary Special Issue (1996)
Technical report (1994-1997). Covers Colorado, Lakewood, Gunnison. Topics: livestock inventory, agricultural statistics, cattle operations, beef production. Agencies: Colorado Agricultural Statistics Service, U.S. Department of Agriculture, Colorado Department of Agriculture.

AG Update Special Inventory Report Cattle, Sheep, Hogs, Chickens with 1997 Annual Crop Summary Special Issue (1997)
Technical report (1997-1998). Covers Lakewood, Gunnison, Colorado. Topics: livestock inventory, cattle inventory, sheep and lamb inventory, hog and pig inventory. Agencies: Colorado Agricultural Statistics Service, U.S. Dept. of Agriculture, Colorado Dept. of Agriculture.

AG Update Special Inventory Report Cattle, Sheep, Hogs, Chickes with 1994 Annual Crop Summary Special Issue (1994)
Technical report (1993-1995). Covers Colorado, United States, Lakewood. Topics: livestock inventory, cattle operations, sheep operations, hog operations. Agencies: Colorado Agricultural Statistics Service, U.S. Department of Agriculture, Colorado Department of Agriculture.

AG Update Special Inventory Report Cattle, Sheep, Hogs, Chickes with 1995 Annual Crop Summary Special Issue (1995)
Technical report (1993-1996). Covers Colorado, United States, Lakewood. Topics: livestock inventory, cattle operations, sheep operations, hog operations. Agencies: U.S. DEPT. OF AGRICULTURE, COLORADO DEPT. OF AGRICULTURE, AGRICULTURAL STATISTICS SERVICE.

AG Update Special Issue (1994)
Technical report (1992-1994). Covers Colorado, United States, Lakewood. Topics: cattle inventory, grain stocks, crop production, agricultural statistics. Agencies: Colorado Agricultural Statistics Service, U.S. Department of Agriculture, Colorado Department of Agriculture.

AG Update – Special Issue 2003 Annual Crop and Livestock Summary (2003)
Technical report (2003). Covers Colorado, Lakewood, South Platt River. Topics: crop production, value of production, agricultural statistics, livestock summary. Agencies: United States Department of Agriculture, Colorado Agricultural Statistics Service, USDA.

AN ECONOMIC EVALUATION FOR SMALL SCALE THERMAL PLASMA WASTETO-ENERGY SYSTEMS
I.J. van der Walt1, J.T. Nel1, D. Glasser2, D. Hildebrandt2, L. Ngubevana2 1 The South African Nuclear Energy Corporation SOC Ltd. (Necsa), Elias Motsoaledi Street Ext., (Church Street West), Pelindaba, Brits Magisterial District, North-West Province, South Africa. 2 University of South Africa,Chemical Engineering Department, Cnr. Christiaan de Wet Road & Pioneer Avenue, Florida, Gauteng, South Africa Abstract: A combined small scale plasma-gasification system, developed by Necsa, and a Fischer-Tropsch syngas system, developed by Wits and Unisa, is being developed in order to determine the economic viability of such a system. A techno-economic model was developed and different scenarios will be discussed to describe the influence of different waste types and industry-specific influences. Keywords: Plasma gasification, plasma economic viability, small scale Fischer Tropsch. Background Experimentswith various types of biomass proved Plasma gasification that when different feed materials are gasified by The process of plasma gasification of municipal athermal plasma, the product mixture can be and other types of waste is not new [2-5]. changed by manipulating the plasma conditions in Commercial systems are available worldwide and order to generate a good quality syngas. The many plasma research projects are currently being compressed syngas is purified from any impurities conducted to cater for the treatment of various and in one integrated process Fischer-Tropsch (FT) types of waste.Unfortunately, the different waste

ANNUAL STATUS REPORT On The Uranuim Mill Tailings Remedial Action Program
Technical report (1988). Covers Gunnison, Colorado, Ambrosia Lake. Topics: uranium mill tailings remedial action, radioactive materials stabilization, vicinity properties, remedial action. Agencies: U.S. Department of Energy, Nuclear Regulatory Commission, Environmental Protection Agency. Cites 24 external works.

ASCS News (1980)
Correspondence (1980). Covers Montrose, Colorado, Gunnison County. Topics: Agricultural Conservation Program, cost-share assistance, Farm Storage Facility Loans, conservation programs. Agencies: ASCS, SCS, USDA. Cites 1 external work.

Abstract of Assessments and Levies 1998 (1998)
Judith M. Smith. 1998.

Acquire Smock and Thomas ranches on Lake Fork of the Gunnison River? (1994)
Correspondence (1994). Covers Lake Fork of the Gunnison River, East River, San Miguel River. Topics: mitigation, ranch acquisition, appraisal, snowplowing. Agencies: Blue Mesa Mitigation Committee, Bureau of Reclamation, DOW. Cites 2 external works.

Acreage Limitations Revisited: The NRDC v. Beard Settlement (1993)
News article (1982-1993). Covers California, Idaho, Washington. Topics: acreage limitations, federal project water pricing, water subsidies, subsidized water. Agencies: Natural Resources Defense Council, Bureau of Reclamation, Department of Interior. Cites 9 external works.

Action Alert- Western Organization of Resources (2008)
Correspondence. Covers Western Colorado, Arctic National Wildlife Refuge, Billings. Topics: oil shale development, liquid coal production. Agencies: Bureau of Land Management, Department of Defense, Western Organization of Resource Councils. Cites 2 external works.

Administrative Appeal of Forest Supervisor’s Approval of Homestake Mining Company’s Pitch Project Operating Plan (1979)
Correspondence (1972-1979). Covers Grand Mesa, Uncompahgre and Gunnison National Forests, Delta, Colorado. Topics: administrative appeal, operating plan, uranium mining, Environmental Assessment Report. Agencies: United States Department of Agriculture, Forest Service, National Wildlife Federation. Cites 22 external works.

Affordable Housing (2004)
Correspondence (1979-2004). Covers Gunnison, Gunnison County, Upper Gunnison Basin. Topics: affordable housing, employee housing, urban growth management, sprawl control. Agencies: Gunnison County Planning Commission, Gunnison County Board of Commissioners, Region 10 League for Economic Assistance and Planning, Inc.. Cites 10 external works.

Affordable Housing Employee Survey Results (2005)
Document. Covers Crested Butte, Mt. CB, Gunnison County. Topics: affordable housing, employee housing, housing satisfaction. Agencies: Crested Butte Mountain Resort, Town of Mt. CB.

After Subsidence Mount Emmons (Drawings)
Technical report. Covers Mount Emmons, Red Lady Basin, Elk Avenue. Topics: subsidence, molybdenum deposit, mining. Agencies: AMAX Inc., COMARC DESIGN SYSTEMS.

Aftermath of Congressional Water War: Restructuring the CVP (1993)
Technical report (1981-2010). Covers Central Valley, California, Sacramento River. Topics: Central Valley Project restructuring, water marketing, water transfers, water allocation. Agencies: Bureau of Reclamation, California Department of Water Resources, Stratecon, Inc.. Cites 20 external works.

Agenda Item 8, June 24, 1996 Board Meeting- Miscellaneous Matters- Open Meetings Law House Bill 96-1314 (1996)
Correspondence (June 1996). Covers Gunnison, Colorado, Upper Gunnison River. Topics: Open Meetings Law, executive session, public meetings, water conservancy district. Agencies: Upper Gunnison River Water Conservancy District, General Assembly of the State of Colorado, University of Colorado. Cites 4 external works.

Agreement for the Subordination of Wayne N. Aspinall Unit Water Rights Within the Gunnison Basin (1998)
Agreement among the United States of America, The CO state engineer, The CO River Water Conservation District, and the Upper Gunnison River Water Conservation District. December 24th 1998

Agricultural Land Conversion in Colorado A Preliminary Report (1995)
Technical report (1959-1992). Covers Colorado, Front Range, Eastern Colorado. Topics: agricultural land conversion, farmland protection. Agencies: Colorado Department of Agriculture, Governor's Task Force on Agricultural Lands, Colorado Air Quality Control Commission. Cites 3 external works.

Agriculture Eroding in Ark Valley
News article (1982-1992). Covers Arkansas Valley, Arkansas River, Western Slope. Topics: irrigation water sales, agriculture industry economics, water leasing. Agencies: Division of Wildlife, Colorado Springs water resources department, Pueblo Board of Water Works. Cites 3 external works.

Agriculture as a Tool for Rural Development Workshop Proceedings (2003)
Kate Clancy, Shelly Grow, & Lydia Oberholtzer. Henry A. Wallace Center for Agriculture & Environmental Policy. April 2003.

Alamosa River Watershed Project
News article (1970s-1996). Covers Alamosa River, Alamosa River watershed, Capulin. Topics: grassroots-driven resource management, erosion control, river restoration, riparian grazing management. Agencies: Conejos County Soil Conservation District, Alamosa-LaJarn Water Conservancy District, Rio Grande Water Conservation District.

Alaska Newsletter: A Publication of the Alaska Chapter of the Sierra Club (1979)
News article (1978-2000). Covers Alaska, Chilkat River, Eagle Area. Topics: Alaska National Interest Lands Legislation, Energy Mobilization Board, synthetic fuels production, energy conservation. Agencies: Sierra Club, Alaska Coalition, Senate Energy Committee. Cites 31 external works.

Alliance for Clean Electricity
DRAFT Short-term plan for the Alliance for Clean Electricity 1. Mission: The Alliance for Clean Electricity (ACE) exists to encourage the Gunnison County Electric Association (GCEA) to invest in energy efficiency and local renewable energy resources to help meet the electricity needs of the Upper Gunnison Valley and to use its position on the Tri-State Board to advocate for clean energy resources. We actively seek to work with community organizations and individuals to facilitate communications regarding energy/electricity issues in the valley. 2. Activities and goals: Consistent with its mission, ACE will engage in the following activities.and strive to achieve the following goals: a. Local IRP: ACE will continue its advocacy that GCEA engage in local resource planning (IRP), focusing on local energy efficiency (EE) and renewable energy (RE) with the goal that GCEA’s plan be substantially completed by the end of 2008. b. Local EE and RE: Regardless of GCEA’s disposition of our IRP request, ACE will work with GCEA to substantially improve GCEA’s programs to encourage EE and RE with a goal to be established by the IRP or, if GCEA does not ‘carry out IRP, by May 31, 2008. ' ¢. Tri-State: ACE will encourage GCEA to urge Tri-State to review its existing resource plan and to integrate new, clean-energy resources into its plan with the goal that _ Tri-State’s new plan contains no new pulverized coal capacity and contains significantly more EE and RE.

Alliance for Clean Electricity (ACE) September 4, 2007 Meeting Notes (2007)
« Mission as given by Bruce Driver: Promote investment in local energy and renewable resources in the Gunnison Valley through actions of the GCEA. o Various members want to include language: dependable, reliable, “to help GCEA meet goals of...”, negawatts, model green coop, cost-effectiveness, clean, local resources, education * Our relation to CROP/ORE o Participate in ORE’s January forum oO Meet with Gesa at next meeting so group can lean what ORE is doing and where we could fit in. o ACE will act as advocates while ORE will carry out implementation of programs (this came from Brittney’s meeting with Gesa & Allison) o George Sibley discussed ORE’s work in the valley to give group some idea of existing programs (CROP) = Valley-wide energy plan o It was discussed whether the group should focus on the entire valley or just GCEA which would exclude Gunnison. It was determined, for now, that the group will focus only on GCEA and working with it. o Working with the Board of County Commissioners was also discussed. = Follow up with GCEA o It was decided that some group members will attend the September GCEA

Allocation of Forest Management Practices on Public Lands (1974)
Technical report (140-day period). Covers National Forest, Rocky Mountain Forest & Range Experiment Station, Tucson. Topics: forest management practices, multiple use planning, linear programming, timber yield. Agencies: Forest Service, U.S. Department of Agriculture, Rocky Mountain Forest & Range Experiment Station. Cites 13 external works.

Alternative G for the East River Planning Unit of the Gunnison National Forest, Colorado (1977)
Management plan. Covers East River Planning Unit, Gunnison National Forest, Colorado. Topics: multiple use management, wilderness, wildlife, non-motorized dispersed recreation. Agencies: Gunnison Group of the Sierra Club, Town of Crested Butte, Rocky Mountain Biological Laboratory. Cites 3 external works.

Amax Inc.- Mount Emmons
AMAX Inc., the company that is conducting explora- tion drilling for molybdenum on Mt. Emmons in Gunni- son County, Colo., is a natural resources and mineral development company with widely diversified interests. Those interests include molybdenum, tungsten, nickel, cobalt, aluminum, copper, lead, zinc, cadmium, iron ore, metal powders, precious metals, coal, agricultural chemicals, natural gas, petroleum, forest products and other natural resources. Its operations are worldwide in scope. The parent company was The American Metal Com- pany, Limited, which was incorporated in 1887. In 1957 it merged with Climax Molybdenum Company and became American Metal Climax Inc. AMAX Inc. was adopted as the corporation's legal name in 1974. The Climax Molybdenum Company was formed in 1916 to develop a molybdenite deposit in central Colorado near Leadville. Construction at the Climax Mine began in May, 1917, and one year later Climax Molybdenum was mining and milling 250 tons of ore

Amax Trial Update — Closing Arguments (1999)
Correspondence. Covers Mt. Emmons, Gunnison, Crested Butte. Topics: water rights application, molybdenum mining, court trial. Agencies: High Country Citizens' Alliance, Town of Crested Butte, Gunnison County. Cites 1 external work.

Amendment No. 17 (1988)
Jack Weissling. Pike and San Isabel National Forests and Comanche and Cimarron National Grasslands. October 1988.

Amendment Number 13 (1988)
Jack Weissling. Pike and San Isabel National Forests and Comanche and Cimarron National Grasslands. October 1988.

Amendment Number 14 (1988)
Jack Weissling. Pike and San Isabel National Forests and Comanche and Cimarron National Grasslands. October 1988.

Amendment Number 15 (1988)
Jack Weissling. Pike and San Isabel National Forests and Comanche and Cimarron National Grasslands. October 1988.

Amendment Number 16 (1988)
Jack Weissling. Pike and San Isabel National Forests and Comanche and Cimarron National Grasslands. October 1988.

Amendment Number 18 (1988)
Management plan (1989-1991). Covers Pike National Forest, San Isabel National Forest, Comanche National Grasslands. Topics: Land and Resource Management Plan, Timber Sale Schedule, Road Construction Schedule, vegetation treatment projects. Agencies: Pike and San Isabel National Forests, U.S. Forest Service, Forest Service. Cites 4 external works.

Amendment Number 19 (1988)
Management plan (October, 1988). Covers Methodist Mountain, Pike and San Isabel National Forests, Comanche and Cimarron National Grasslands. Topics: Management Area 1D, utility corridors, electronic communications site. Agencies: Forest Service, Forest Supervisor's Office. Cites 4 external works.

American Institute of Architects Regional Urban Design Assistance Gunnison Country
community plan (1970-1976). Covers Gunnison, Gunnison County, Crested Butte. Topics: Regional Urban Design Assistance, ranching, tourism, mining. Agencies: American Institute of Architects, Town Administration, Gunnison County. Cites 4 external works.

American Institute of Architects Regional Urban Design Assistance Team Gunnison Country (1976)
Technical report (1928-present). Covers Gunnison, Gunnison County, Colorado. Topics: General Plan, Zoning Regulations, ranching, tourism. Agencies: American Institute of Architects, Town Administration, Gunnison County. Cites 10 external works.

America’s Waters: A New Era of Sustainability (1992)
The Natural Resources Law Center. December 1992.

An Analysis of Colorado and Federal Law in Contrast to the “Report of the Long’s Peak Working Group” (1993)
Technical report (1993). Covers Colorado, Colorado River, California. Topics: water rights, water appropriation, instream flows, water quality regulation. Agencies: Colorado Water Conservation Board, EPA, Department of the Interior. Cites 21 external works.

An Analysis of Growth and Development in the Unincorporated Portions of the East River Valley and Gunnison Urban Area (1997)
County plan (1980-1996). Covers East River Valley, Gunnison Urban Area, Gunnison County. Topics: growth and development, population growth, natural growth, moving rate. Agencies: Gunnison County Planning Department, Gunnison County Assessor, County Commissioners. Cites 3 external works.

An Ecological Basis for Beaver Management in the Rocky Mountain Region
Technical report (1951-1956). Covers Rocky Mountain Region, Colorado, Fort Collins. Topics: beaver management, carrying capacity, food production, sustained yield. Agencies: Colorado Cooperative Wildlife Research Unit, Colorado State University, Colorado Game and Fish Department. Cites 35 external works.

An Economic Analysis of State Aid to School Districts in Colorado (1966)
Technical report (1950-1967). Covers Colorado, Fort Collins, Great Plains. Topics: state aid to school districts, equalization aid, foundation programs, tax burden. Agencies: Colorado State University, Agricultural Experiment Station, Great Plains Research Council. Cites 31 external works.

An Economic Overview Gunnison County (1972)
Technical report (1970-1971). Covers Gunnison County, Gunnison, Colorado. Topics: economic development, education, labor force, construction. Agencies: Economic Development Department, United Banks of Colorado, Western State College.

An Illustrated Guide to the Proposed Threatened and Endangered Plant Species in Colorado (1978)
Wildlife survey (1975-1977). Covers Colorado, Gunnison Basin, Denver. Topics: threatened and endangered species, flora identification, habitat conservation, species distribution. Agencies: U.S. Department of the Interior, Fish & Wildlife Service, U.S. Forest Service. Cites 47 external works.

An Integrated Wastewater Treatment and Reuse System to Enhance Wildlife and Other Estuarine Values
George H. Allen, Robert A. Gerheart, and John R. Williams. Western Association of Fish and Wildlife Agencies and Western Division of American Fisheries Society. ? ?

Analysis of Chemicals Used in Natural Gas Development and Delivery in Colorado (2007)
Technical report (March 29, 2007). Covers Colorado, Paonia, New Mexico. Topics: natural gas development, oil development, drilling, fracturing. Agencies: TEDX, The Endocrine Disruption Exchange, Inc., Environmental Protection Agency. Cites 4 external works.

Analysis of the Costs and Financial Analysis Prepared by Amax for the Mount Emmons Project
Robert C. Steckley, Jim F. Lemons Jr. Minerals Availability Field Office United States Bureau of Mines.

Annotated Bibliography on Consensus, Consensus Building and Decision Making
Document (1971-1999). Covers Colorado Springs, Colorado, Verde River. Topics: consensus building, decision making, environmental mediation, comprehensive planning. Agencies: Southern States Energy Board, United States Forest Service, Tahoe Regional Planning Agency. Cites 31 external works.

Annual Arrangements: Improving Coordination of Community Development Programs (1973)
Technical report (1970-1973). Covers Gary, Indiana, Wisconsin. Topics: Annual Arrangements, special revenue sharing, community development, Chief Executive Review and Comment procedure. Agencies: U.S. Department of Housing and Urban Development, HUD, Evaluation Division. Cites 13 external works.

Answers to Questions about Nuclear Power Vote "No" on #3 (1976)
Document (1976). Covers Fort St. Vrain, Brown's Ferry, United States. Topics: nuclear power, nuclear power safety, radioactive waste storage, radiation exposure. Agencies: Tennessee Valley Authority, Atomic Industrial Forum, Edison Electric Institute. Cites 6 external works.

Antelope Creek Area (1980)
Technical report (FEB 1980). Covers Antelope Creek Area, Boulder, Colorado. Topics: surficial geology, soils, soil mapping. Agencies: AMAX ENVIRONMENTAL SERVICES, INC..

Appendix 1 Colorado Natural Areas Act (1988)
Carl B. Bledsoe, Ted L. Strickland, Lee C. Bahrych, Joan M. Albi, Roy Romer. State of Colorado. March 23, 1988.

Appendix 2 List of Designated Colorado Natural Areas, List of Registered Colorado Natural Areas, List of Identified Colorado Natural Areas (1996)
Environmental assessment. Covers Aiken Canyon, Badger Wash Natural Area, Blue Mountain-Little Thompson Fault Natural Area. Topics: natural area designation, biodiversity conservation, habitat protection, paleontological resources. Agencies: SLB, TNC, BLM.

Appendix 3 Criteria for Determining Colorado Natural Areas (1993)
Guidelines for the Identification, Registry and Designation of Colorado Natural Areas July, 1993 The Colorado Natural Areas Program (CNAP) was created by an act of the Colorado Legislature in 1977 and reauthorized in 1988. The Colorado Natural Areas Act, as set forth under C.R.S. 33-33-101 et seq. (1988), directs the Board of Parks and Outdoor Recreation (Parks Board) to administer the Colorado Natural Areas Program, with the advice of the Colorado Natural Areas Council (Council). Under the Act, CNAP’s mandate is to (1) identify, evaluate and protect examples of Colorado’s natural heritage; (2) maintain an inventory and registry of qualified natural areas; and. Gs establish a system of designated natural areas. A “natural area” as defined. under the Act is “a physical and biological area which either retains or has reestablished its natural character; although. it need. not be. completely undisturbed, and which typifies native vegetation and associated biological and geological . features or provides habitat for rare or endangered animal or plant species or includes geologic or other natural features of scientific or educational value". Guidelines were developed early in the history of the:Program. to ensure that the registry and designation process remains orderly and open. Changes to the guidelines are incorporated when deemed appropriate a and d necessary by the Council and the Parks Board. PROCEDURE:

Appendix 4 Colorado Natural Areas Council, Colorado Natural Areas Program Staff (1997)
Document (1997). Covers Colorado, Lafayette, Greeley. Topics: Natural Areas Protection Program, Natural Area Site Registry. Agencies: Colorado Natural Areas Council, Colorado Natural Areas Program, Denver Museum of Natural History.

Appendix 5 Example: Articles of Designation Elephant Rocks Natural Area (1996)
Jim Krugman, Laurie A. Mathews, Lee Shropshire. Colorado Natural Areas Program, Division of Parks and Ourdoor Recreation Deporatment of Natural Resources, State of Colorado. May 29, 1996.

Application for Land Use Change Permit Gunnison County, Colorado Sketch Plan (1990)
Environmental assessment (1991-1994). Covers Gunnison, Gunnison County, Colorado. Topics: uranium mill tailings remediation, wildlife habitat mitigation. Agencies: EPA, BLM, Colorado Department of Highway. Cites 3 external works.

Application of Monitoring for Producers
Technical report (1996). Covers United States, western rangelands, public lands. Topics: rangeland monitoring, sustainable management, grazing management, Continuous Process Improvement. Agencies: Cooperative Extension, Colorado State University, Forest Service. Cites 20 external works.

Area Guide News Articles (1977)
Craig W. Rupp, David E. Herrick, Vern Hamre, Robert H. Torheim, Roger R. Bay. USDA Forest Service. February 1977.

Area Guides News (1977)
Management plan. Covers Gunnison Basin, Western Colorado, Great Plains. Topics: grazing management, recreation development, wilderness preservation, wildlife habitat management. Agencies: U.S. Forest Service, Forest Service, National Forest Service.

Areawide Conservation Planning Primer (1998)
Technical report. Covers Lakewood, Colorado, Washington, D.C.. Topics: Areawide Conservation Planning, locally led conservation, watershed planning, stakeholder engagement. Agencies: United States Department of Agriculture, USDA, Natural Resources Conservation Service. Cites 6 external works.

Arrogance personified
News article. Covers Colorado, Aurora, Arkansas River Basin. Topics: water transfers, Arkansas Valley conduit. Agencies: Colorado Attorney General, Colorado State University Agriculture Research Station, U.S. Department of Agriculture. Cites 2 external works.

Articles in The Property Report (2001)
News article (1973-2001). Covers Threemile Canyon, Boardman, Oregon. Topics: sustainable development, brownfields, recycling systems, agricultural operations. Agencies: Environmental Protection Agency, Boeing Corp, Oregon House of Representatives. Cites 3 external works.

Aspen Planning Unit
Land use plan. Covers Eagle/Aspen Planning Unit, Aspen, Vail. Topics: wilderness preservation, wildlife preservation, dispersed recreation, habitat management. Agencies: US Forest Service, Pitkin County Commission, Bureau of Reclamation. Cites 1 external work.

Aspen Restoration and Salvage notes Mancos-Dolores R.D. SJNF (2008)
Technical report (2005-2008). Covers Mancos-Dolores Ranger District, San Juan National Forest, Gunnison. Topics: Sudden Aspen Decline, aspen restoration, salvage logging, timber sale. Agencies: Mancos-Dolores Ranger District, San Juan National Forest, Forest Health Management Service Center.

Aspinall Depletion Allowance and Gunnison Basin Augmentation Agreement (1997)
Letter from Tyler Martineau to Dick Bratton Organization: Upper Gunnison River Water Conservancy District Date: August 25th 1997 ?

Aspinall Unit Mitigation – Stream front public access (1995)
Correspondence (1959-1995). Covers Gunnison River, Lake Fork of the Gunnison River, Gunnison River basin. Topics: mitigation, public access, stream frontage. Agencies: Upper Gunnison River Water Conservancy District, Bureau of Reclamation, Bureau of Land Management.

Aspinall Unit Operation Coordination Meeting (2002)
Meeting content concerning operations for reservoirs in the region. Includes graphical data sets of reservoir inflow. August 20th 2002

Aspinall Unit Operations Assessment (1989)
Notations -- acre-feet or ac-ft expressed as whole nuaher - 6,479 : o- cubic feet per second or cfs expressed with tenths - 567.8 : Constants: I cfs for a aonth equals 60.16 acre-feet sas Part 2 --- WATER RECEIVED INTO ASPINALL UNIT -= DRY YEAR - 1909 Actual for 1987 ocr Noy DEC JAN FEB mar | APR Monthly Inflows in average cfs for aonth - USDOE (1994) SLOA Electric Pover Marketing, DEIS, pp. C-34 - C 37 into Blue Mesa 492.0 448.0 383.0 439.0 431.0 729.0; = 1,622.0 into Morrow Point 38.0 37.0 37.0 13.0 24.0 66.0 } 207.0 into Crystal 186.0 98.0 92.0 73.0 46.0 99.0 | 224.0 average total cfs inflow ; to Aspinall Unit for aonth 714.0 583.0 514.0 497.0 501.0 694.0 } 2,053.0 inflows in acre-feat 43,089 35, 085 30,933 29,909 30,156 53,801 ' 123,550 cuasulative inflow in ac-ft 43,089 78,178 = 109,108 = 139,016 149, 166 222,967 346,516 see Part 3 ~~ WATER RELEASES FROM ASPINALL UNIT -- DRY YEAR - 1999 Evaporation in cfs - USER (1994) SLCA Electric Powar Marketing - DEIS$ pp. C-34 - C-35, fron Blue Mesa 6.4 3.2 2.0 2.0 2.8 6.2 10.8 froa Morrow Point froa Crystal Total evaporation in ac-ft 35 193 120 120 169 373 650 Released in cfs from Crystal - USDOE (1994) SLCA Electric Power Marketing, p. C-35.

Assignment of Water Rights 1962 (1962)
Legislation (1962). Covers Colorado River, Gunnison River, Crystal Reservoir. Topics: water rights assignment, conditional water rights. Agencies: Colorado River Water Conservation District, United States Department of the Interior. Cites 4 external works.

At the recent Board meeting of the Gunnison County Electric Association (GCEA) on August 28, there was a brief mention of how planning for future local electrical power requirements might be addressed through use of local resources, and that past efforts to review such options concluded that they were quite limited. (2007)
Correspondence (1979-2007). Covers Gunnison, Colorado, Coal Creek Valley. Topics: electrical power generation, biomass fuel, geothermal resources, district energy systems. Agencies: Gunnison County Electric Association, Colorado Governor's Office of Energy Management, USDA Forest Service. Cites 18 external works.

Atmospheric Carrying Capacity of the Gunnison Valley, Colorado
Technical report (1979). Covers Gunnison Valley, Colorado, Gunnison County. Topics: atmospheric carrying capacity, air pollution, temperature inversion, ambient air quality. Agencies: Colorado State University, Colorado Department of Health, Air Pollution Control Division. Cites 24 external works.

Attachment 1 of Remedial Action Plan and Site Design for Stabilization of the Inactive Uranium Mill Tailings Site at Gunnison, CO (1990)
US Department of Energy. June 1990.