EG-08 Roaring Fork and Crystal Valleys: An Environmental and Engineering Geology Study EG-08 Roaring Fork and Crystal Valleys: An Environmental and Engineering Geology Study, Eagle, Garfield, Gunnison, and Pitkin Counties, Colorado
EG-03 Engineering Geology Report for Planning Districts 7 and 13 EG-03 Engineering Geology Report for Planning Districts 7 and 13, Colorado
SP-05B Atlas of Sand SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties
MIN-1965-01 Compilation of Colorado Bureau of Mines Annual Reports 1896-1965 (1964 cover example) MIN-1965-01 Compilation of Colorado Bureau of Mines Annual Reports 1896-1965
MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado
B-30 Geology and Ore Deposits of the Red Cliff District B-30 Geology and Ore Deposits of the Red Cliff District, Colorado