ON-008-04 U.S. Forest Service Abandoned Mine Land Inventory Project Colorado (detail) ON-008-04M U.S. Forest Service Abandoned Mine Land Inventory Project – Colorado (Map) – v20210214
OF-19-12 Colorado Abandoned Mine Land Inventory and Information Hub: Report on the Development and Data Sources OF-19-12 Colorado Abandoned Mine Land Inventory and Information Hub: Report on the Development and Data Sources
IS-81 Colorado Mineral and Energy Industry Activities 2017-2018 IS-81 Colorado Mineral and Energy Industry Activities 2017-2018
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