Colorado Geological Survey

1) Oil map of Colorado: showing the proved oil fields, oil shale deposits, location of anticlinal structures, oil and gas seepages--and other indications of oil and gas, 1925

Author
George, Russell D
Series
Miscellaneous volume 21
Publisher
Colorado Geological Survey, Department of Natural Resources
Pub. Date
1984.
Language
English

2) Engineering geologic factors of the Marble Area, Gunnison County, Colorado

Author
Rogers, William Patrick
Series
Miscellaneous volume 8
Publisher
Colorado Geological Survey, Department of Natural Resources
Pub. Date
Not Supplied
Language
English