OF-91-01 Identification and Remediation of a Mine Flooding Problem OF-91-01 Identification and Remediation of a Mine Flooding Problem, Rico, Dolores County, Colorado with Discussion of the Use of Tracer Dyes
OF-91-02 The Use of Tracer Dyes for the Identification of a Mine Flooding Problem OF-91-02 The Use of Tracer Dyes for the Identification of a Mine Flooding Problem, Rico, Dolores County, Colorado
OF-91-04 Results of the 1987-88 EPA Supported Radon Study in Colorado with Discussion on Geology OF-91-04 Results of the 1987-88 EPA Supported Radon Study in Colorado with Discussion on Geology
IS-30 Bibliography and Index of Colorado Geology IS-30 Bibliography and Index of Colorado Geology, 1984-1989
IS-31 Snow and Avalanche: Colorado Avalanche Information Center Annual Report IS-31 Snow and Avalanche: Colorado Avalanche Information Center Annual Report, 1989-1990
IS-32 Coalbed Methane Development in Colorado IS-32 Coalbed Methane Development in Colorado, September 1990
RS-29 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map RS-29 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map, 1989
OF-90-01 Mesaverde Cross Sections OF-90-01 Mesaverde Cross Sections, Piceance Basin, Colorado: Index to Published Sections and New Sections at Plateau and White River Fields
OF-90-02 Geology and Mineral Evaluation of Mineral Claims within the Snowmass Wilderness Area in the Vicinity of the Colorado-Highland Marble Quarry OF-90-02 Geology and Mineral Evaluation of Mineral Claims within the Snowmass Wilderness Area in the Vicinity of the Colorado-Highland Marble Quarry, Conundrum Creek, Pitkin County, Colorado