January 20, 2005
OF-05-11 History, Geology, and Environmental Setting of the Akron Mine, Gunnison National Forest
Describes the history, geology, and environmental setting of the Akron Mine. Part of the site is on US Forest Service-administered…
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January 20, 2003
OF-03-14 History, Geology and Environmental Setting of Selected Mines in the Upper Alamosa River Basin, Rio Grande National Forest, Conejos and Rio Grande Counties, Colorado
Open-File Report OF-03-14 describes the history, geology and environmental setting of several mines in the upper Alamosa River drainage basin.
January 20, 2003
OF-03-13 History, Geology and Environmental Setting of the Southern Cross and 7D Mines, Hahns Peak Mining District, Routt National Forest, Routt County, Colorado
Describes the history, geology and environmental setting of two mines in the Hahns Peak mining district. Both of the sites…
January 20, 2002
OF-02-13 History, Geology, and Environmental Setting of Selected Mines Near Ophir, Uncompahgre National Forest, San Miguel County, Colorado
Describes the history, geology, and environmental setting of selected mines near Ophir in San Miguel County. Includes: forward, abbreviations and…
January 20, 2001
OF-01-14 History, Geology, and Environmental Setting of the Griffin and Wilkesbarre Mines, Pike/San Isabel National Forest, Lake County, Colorado
Describes the history, geology, and environmental setting of the Griffin and Wilkes-Barre mines in Lake County. Includes: abbreviations and symbols,…
January 20, 2001
OF-01-13 History, Geology, and Environmental Setting of Selected Mines in the Chalk Creek Mining District, Pike/San Isabel National Forest, Chaffee County, Colorado
Describes the history, geology, and environmental setting of selected mines in the Chalk Creek Mining District about 20 miles southwest…
January 20, 2001
OF-01-12 History, Geology, and Environmental Setting of the Lienhart Mine, Pike/San Isabel National Forest, Chaffee County, Colorado
This publication describes the history, geology, and environmental setting of the Lienhart mine near the boundary of the Collegiate Peaks…
January 20, 2001
OF-01-11 History, Geology, and Environmental Setting of the Tweed Mine, Pike/San Isabel National Forest, Chaffee County, Colorado
This publication describes the history, geology, and environmental setting of the Tweed mine near Monarch Pass west of Salida in…
January 20, 2000
OF-99-18 History, Geology, and Environmental Setting of Selected Mines near Creede, Rio Grande National Forest, Mineral County, Colorado
Describes the method of investigation, location and geographic setting, historical overview, and geologic setting in Mineral County of the Amethyst…
January 20, 2000
OF-00-10 History, Geology, and Environmental Setting of the Lower Fair Day Mine, Arapaho/Roosevelt National Forest, Boulder County, Colorado
Describes the history, geology, and environmental setting of the Fair Day uranium mine located on Forest Service-administered land on the…
April 1, 1999
RockTalk: Environmental Geology in Colorado
This edition of RockTalk is an introduction to environmental geology. Digital PDF download. RT-02-02D From the Introduction: What is Environmental…
March 20, 1999
IS-48 Colorado Water Quality Database from the Environmental Protection Agency’s STORET Database
Contains all ambient water-quality data for Colorado contained in the EPA’s nationwide Storage and Retrieval (STORET) database through January 1998.
January 20, 1982
SP-22 Proceedings of the 33rd Annual Highway Geology Symposium: Engineering Geology and Environmental Constraints in Vail, Colorado, 1982
Sixteen papers, presented at national symposium, address geologic problems and solutions related to road construction and maintenance in mountain environments:…
January 20, 1980
EG-12 Energy Resources of the Denver and Cheyenne Basins, Colorado: Resource Characteristics, Development Potential and Environmental Problems
Describes coal, uranium, oil and gas resources; locations, potential, development methods and conflicts in the Denver and Cheyenne Basins. (See…
January 20, 1977
OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin
Preliminary investigation and feasibility study of environmental impact of development of coal, lignite, uranium, oil and gas in the Denver…
January 20, 1977
SP-08 Proceedings, Governor’s Third Conference on Environmental Geology-Geologic Factors in Land-Use Planning – House Bill 1041
Proceedings, Governor’s third conference on environmental geology-geologic factors in land-use planning. House Bill 1041. 111 pages. Digital PDF download. SP-08D…
January 20, 1975
EG-06 Environmental and Engineering Geology of the Windsor Study Area, Larimer and Weld Counties, Colorado
Engineering and environmental geology of the Windsor study area, covering eight 7.5-minute quadrangles in Larimer and Weld counties. Included are…
January 20, 1974
EG-08 Roaring Fork and Crystal Valleys: An Environmental and Engineering Geology Study, Eagle, Garfield, Gunnison, and Pitkin Counties, Colorado
Describes stratigraphic units of the Roaring Fork and Crystal Valleys, Eagle, Garfield, Gunnison, and Pitkin Counties and their engineering-geologic characteristics.
January 20, 1974
OS-06 Regional Oil Shale Study – Environmental Inventory, Analysis, and Impact: Piceance Creek Basin, Rio Blanco and Garfield Counties, Colorado
Inventory, analysis, and impact study. 1974. By H. D. Burke and E.C. Vlachos. 91 pages. 4 tables. 7 figures. Digital…
January 20, 1971
OS-01 SCEEP: Report on Economics of Environmental Protection for a Federal Oil Shale Leasing Program
This report was prepared at the request of Thomas W. Ten Eyck, Director of Natural Resources of the State of…
February 10, 1969
SP-01 The Governor’s First Conference on Environmental Geology: Proceedings, 1969
Thirteen papers dealing with application of geology to urban growth and planning, mineral conservation, and engineering problems. 78 pages. Digital…
May 31, 2024
OF-24-12 Data for 2024 ECMC Geothermal in Colorado Report
Geothermal In Colorado: Resources, Use Strategies, and Impact Considerations In this study, the Energy and Carbon Management…
Geology
November 21, 2023
Case Study: detrital zircon
[ED: On the occasion of releasing a new dataset: ON-004-04D Data tables of detrital zircon U-Pb…
Water
February 7, 2023
Colorado Water Plan 2023
“Water is the lifeblood of our state, and we are taking strong actions to protect Colorado’s water for generations to…
Water
November 11, 2022
Case study: Fluvial Hazard Zone
“The Fluvial Hazard Zone (FHZ) is defined as the area a stream has occupied in recent history, may occupy, or…
General
July 27, 2022
Earth Explorations vlog/podcasts
Dr. Christian Shorey—Teaching Professor of Environmental Science and Climatology in the Geology and Geological Engineering Department…
Geology
April 21, 2022
Unfolding the Geology of the West
Our collaborators and friends up in Boulder at the Geological Society of America (GSA) are making…
February 8, 2022
OF-19-11 Natural Sources of Mobile Uranium in the Downstream Reach of Colorado’s Arkansas River Valley and Evaluation of Best Management Practices for Mitigation
This CGS report examines geologic sources of elevated uranium (U) concentrations present in surface water and groundwater in the section…
Geology
June 3, 2021
New GIS data and maps
For those of you who are subscribers to the CGS announcement list, we want to direct your attention to a…
Hazards
October 13, 2020
Seismometer installed on campus
Mines students partner with the CGS to install seismometer on campus Colorado School of Mines geophysics students enrolled…