OS-06 Regional Oil Shale Study – Environmental Inventory, Analysis, and Impact: Piceance Creek Basin, Rio Blanco and Garfield Counties, Colorado

EG-08 Roaring Fork and Crystal Valleys: An Environmental and Engineering Geology Study, Eagle, Garfield, Gunnison, and Pitkin Counties, Colorado

SP-05A Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties

SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties

SP-03 1972 Summary of Coal Resources in Colorado

OF-73-01 Geology and Mineral Resources of LAVCOG Planning District 6

B-32 Prairie, Peak and Plateau: A Guide to the Geology of Colorado

B-34-A Bibliography of Coal Resources in Colorado

SP-02 Geothermal Resources of Colorado

EG-01 Geologic aspects, soils and related foundation problems, Denver metropolitan area, Colorado

B-33 Bibliography of Hydrogeologic Reports in Colorado

OS-01 SCEEP: Report on Economics of Environmental Protection for a Federal Oil Shale Leasing Program