MS-54 Colorado Cretaceous Stratigraphy Chart

OF-19-11 Natural Sources of Mobile Uranium in the Downstream Reach of Colorado’s Arkansas River Valley and Evaluation of Best Management Practices for Mitigation

MS-53 Colorado Stratigraphic Chart

MS-26 Oil and Gas Fields Map of Colorado, 1991

OF-14-08 Geologic Map of the Axial Quadrangle, Moffat and Rio Blanco Counties, Colorado

RockTalk: Colorado’s New Oil Boom — the Niobrara

OF-08-17 Geologic Map of the Larkspur Quadrangle, Douglas and El Paso Counties, Colorado

OF-07-06 Geologic Map of the Garo Quadrangle, Park County, Colorado

OF-06-06 Geologic Map of the Palmer Lake Quadrangle, El Paso County, Colorado

OF-06-09 Geologic Map of the Fairplay East Quadrangle, Park County, Colorado

OF-03-19 Geologic Map of the Manitou Springs Quadrangle, El Paso and Teller Counties, Colorado

OF-05-04 Geologic Map of the Como Quadrangle, Park County, Colorado