RS-47 Reconnaissance of Potential Sand Sources in Colorado for Hydraulic Fracturing RS-47 Reconnaissance of Potential Sand Sources in Colorado for Hydraulic Fracturing
IS-80 Colorado Mineral and Energy Industry Activities 2016-2017 IS-80 Colorado Mineral and Energy Industry Activities 2016-2017
MS-12 Map of Licensed Coal Mines in Colorado as of 01 June 1978 (detail) MS-12 Map of Licensed Coal Mines in Colorado as of 01 June 1978
OF-17-01 Geology and Groundwater Resources of Mesa County OF-17-01 Geology and Groundwater Resources of Mesa County, Colorado
OF-17-05 Geologic Map of the Fountain Quadrangle OF-17-05 Geologic Map of the Fountain Quadrangle, El Paso County, Colorado
OF-17-04 Geologic Map of the Hartsel Quadrangle OF-17-04 Geologic Map of the Hartsel Quadrangle, Park County, Colorado
OF-17-03 Geologic Map of the Berthoud Quadrangle OF-17-03 Geologic Map of the Berthoud Quadrangle, Larimer, Weld, and Boulder Counties, Colorado
OF-17-02 Geologic Map of the Johnstown Quadrangle OF-17-02 Geologic Map of the Johnstown Quadrangle, Larimer and Weld Counties, Colorado
OF-17-06 Geologic Map of the Boreas Pass Quadrangle OF-17-06 Geologic Map of the Boreas Pass Quadrangle, Park and Summit Counties, Colorado