OF-99-06 Geologic Map of the Durango East Quadrangle OF-99-06 Geologic Map of the Durango East Quadrangle, La Plata County, Colorado
OF-99-07 Geologic Map of the Mt. Sopris Quadrangle OF-99-07 Geologic Map of the Mt. Sopris Quadrangle, Garfield and Pitkin Counties, Colorado
MS-32 Map of Areas Susceptible to Differential Heave in Expansive MS-32 Map of Areas Susceptible to Differential Heave in Expansive, Steeply Dipping Bedrock, City of Colorado Springs, Colorado
OF-98-04 Geologic Map of the Cameron Mountain Quadrangle OF-98-04 Geologic Map of the Cameron Mountain Quadrangle, Chaffee, Park, and Fremont Counties, Colorado
OF-98-03 Geologic Map of the Leon Quadrangle OF-98-03 Geologic Map of the Leon Quadrangle, Eagle and Garfield Counties, Colorado
OF-97-01 Geologic Map of the Rules Hill Quadrangle OF-97-01 Geologic Map of the Rules Hill Quadrangle, La Plata County, Colorado
OF-97-03 Geologic Map of the Carbondale Quadrangle OF-97-03 Geologic Map of the Carbondale Quadrangle, Garfield County, Colorado
MS-30 Basement Structure Map of Colorado with Major Oil and Gas Fields (detail) MS-30 Basement Structure Map of Colorado with Major Oil and Gas Fields
OF-94-02 Coalbed Gas Composition in Upper Cretaceous Fruitland Formation OF-94-02 Coalbed Gas Composition in Upper Cretaceous Fruitland Formation, San Juan Basin, Colorado and New Mexico
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