OF-73-01 Geology and Mineral Resources of Planning District 6 (detail) OF-73-01 Geology and Mineral Resources of LAVCOG Planning District 6
EG-01 Geologic aspects EG-01 Geologic aspects, soils and related foundation problems, Denver metropolitan area, Colorado
B-33 Bibliography of Hydrogeologic Reports in 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 OS-01 SCEEP: Report on Economics of Environmental Protection for a Federal Oil Shale Leasing Program
SP-01 The Governor’s First Conference on Environmental Geology: Proceedings SP-01 The Governor’s First Conference on Environmental Geology: Proceedings, 1969
B-28 Oil and Water Possibilities of Parts of Delta and Mesa Counties B-28 Oil and Water Possibilities of Parts of Delta and Mesa Counties, Colorado
B-30 Geology and Ore Deposits of the Red Cliff District B-30 Geology and Ore Deposits of the Red Cliff District, Colorado