B-51 Guide to the Petroleum Geology and Laramide Orogeny B-51 Guide to the Petroleum Geology and Laramide Orogeny, Denver Basin and Front Range, 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
RS-27 Coal Resources of the Colorado Springs (1/2° x 1°) Quadrangle RS-27 Coal Resources of the Colorado Springs (1/2° x 1°) Quadrangle, Colorado
MS-15 Map and Discovery of Permitted Colorado Coal Mines MS-15 Map and Discovery of Permitted Colorado Coal Mines, 1981
IS-13 Chemical Analyses of Water Wells in Selected Strippable Coal and Lignite Areas IS-13 Chemical Analyses of Water Wells in Selected Strippable Coal and Lignite Areas, Denver Basin, Colorado
EG-12 Energy Resources of the Denver and Cheyenne Basins EG-12 Energy Resources of the Denver and Cheyenne Basins, Colorado: Resource Characteristics, Development Potential and Environmental Problems
RS-05 Coal Resources of the Denver and Cheyenne Basins RS-05 Coal Resources of the Denver and Cheyenne Basins, Colorado
OF-78-09 Coal Mines and Coal Analysis of the Denver and Cheyenne Basins OF-78-09 Coal Mines and Coal Analysis of the Denver and Cheyenne Basins, Colorado
OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin (detail) OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin