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
EG-01 Geologic aspects EG-01 Geologic aspects, soils and related foundation problems, Denver metropolitan area, Colorado
B-30 Geology and Ore Deposits of the Red Cliff District B-30 Geology and Ore Deposits of the Red Cliff District, Colorado