OF-75-03 Mineral Resources Maps of Moffat County OF-75-03 Mineral Resources Maps of Moffat County, Colorado
OF-75-04 Mineral Resources and Mining Potential in the Idaho Springs Vicinity OF-75-04 Mineral Resources and Mining Potential in the Idaho Springs Vicinity, Clear Creek County, Colorado
EG-06 Environmental and Engineering Geology of the Windsor Study Area EG-06 Environmental and Engineering Geology of the Windsor Study Area, Larimer and Weld Counties, Colorado
SP-05B Atlas of Sand SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties
OF-73-01 Geology and Mineral Resources of Planning District 6 (detail) OF-73-01 Geology and Mineral Resources of LAVCOG Planning District 6
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MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado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