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
OF-16-02 Geologic Map of the Watkins Quadrangle OF-16-02 Geologic Map of the Watkins Quadrangle, Arapahoe and Adams Counties, Colorado
IS-79 Colorado Mineral and Energy Industry Activities 2015-2016 IS-79 Colorado Mineral and Energy Industry Activities 2015-2016
OF-15-09 Geologic Map of the North Delta Quadrangle OF-15-09 Geologic Map of the North Delta Quadrangle, Delta County, Colorado
IS-78 Colorado Mineral and Energy Industry Activities 2014-2015 IS-78 Colorado Mineral and Energy Industry Activities 2014-2015
FT-02-01 Mineral Resources of Jefferson County Field Trip Guidebook FT-02-01 Mineral Resources of Jefferson County Field Trip Guidebook
IS-68 Directory of Active Mines and Mine Permits in Colorado IS-68 Directory of Active Mines and Mine Permits in Colorado, 2002
IS-62 Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado IS-62 Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado
OF-02-12 Sand and Gravel Resources Adjacent to the Colorado River Valley OF-02-12 Sand and Gravel Resources Adjacent to the Colorado River Valley, Garfield County, Colorado