IS-82 Colorado Mineral and Energy Industry Activities 2018-2019 IS-82 Colorado Mineral and Energy Industry Activities 2018-2019
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
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
IS-79 Colorado Mineral and Energy Industry Activities 2015-2016 IS-79 Colorado Mineral and Energy Industry Activities 2015-2016