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-97-07 Stratigraphic and Structural Cross Sections of the Coal-Bearing Williams Fork Formation OF-97-07 Stratigraphic and Structural Cross Sections of the Coal-Bearing Williams Fork Formation, Mesaverde Group, Colorado
MS-31 Geologic Map of the Glenwood Springs Quadrangle MS-31 Geologic Map of the Glenwood Springs Quadrangle, Garfield County, Colorado
OF-96-01 Geologic Map of the Cattle Creek Quadrangle OF-96-01 Geologic Map of the Cattle Creek Quadrangle, Garfield County, Colorado
OF-96-02 Geologic Map of the Center Mountain Quadrangle OF-96-02 Geologic Map of the Center Mountain Quadrangle, Garfield County, Colorado
OF-82-01 Coal Bed Methane Potential of the Piceance Basin OF-82-01 Coal Bed Methane Potential of the Piceance Basin, Colorado
OF-81-06 Coal Bed Methane Potential of the Sand Wash Basin OF-81-06 Coal Bed Methane Potential of the Sand Wash Basin, Green River Coal Region, Colorado
MS-15 Map and Discovery of Permitted Colorado Coal Mines MS-15 Map and Discovery of Permitted Colorado Coal Mines, 1981