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-17-06 Geologic Map of the Boreas Pass Quadrangle OF-17-06 Geologic Map of the Boreas Pass Quadrangle, Park and Summit Counties, Colorado
B-05 Reconnaissance of the Geology of the Rabbit Ears Region B-05 Reconnaissance of the Geology of the Rabbit Ears Region, Routt, Grand, and Jackson Counties, Colorado
IS-79 Colorado Mineral and Energy Industry Activities 2015-2016 IS-79 Colorado Mineral and Energy Industry Activities 2015-2016
IS-78 Colorado Mineral and Energy Industry Activities 2014-2015 IS-78 Colorado Mineral and Energy Industry Activities 2014-2015