SP-52 Messages in Stone: Colorado's Colorful Geology (2nd Edition) SP-52 Messages in Stone: Colorado’s Colorful Geology (2nd Edition)
OF-04-01 Evaluation of Bottom Hole Temperatures in the Canon City Embayment OF-04-01 Evaluation of Bottom Hole Temperatures in the Canon City Embayment, Hugoton Embayment, and North Park, Paradox, Piceance, Raton and Sand Wash Basins
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
MS-15 Map and Discovery of Permitted Colorado Coal Mines MS-15 Map and Discovery of Permitted Colorado Coal Mines, 1981