RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields RS-34 Penetration Charts of Selected Colorado Oil and Gas Fields
RS-33 Spanish Peak Field RS-33 Spanish Peak Field, Las Animas County, Colorado: Geologic Setting and Early Development of a Coalbed Methane Reservoir in the Central Raton Basin
RS-36 Availability of Coal Resources in Colorado: Somerset Quadrangle RS-36 Availability of Coal Resources in Colorado: Somerset Quadrangle, West-Central Colorado
RS-32 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map RS-32 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map, 1995-96
RS-31 Coalbed Methane in the Upper Cretaceous Fruitland Formation RS-31 Coalbed Methane in the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico and Colorado
RS-30 Geologic and Hydrologic Controls on Coalbed Methane: Sand Wash Basin RS-30 Geologic and Hydrologic Controls on Coalbed Methane: Sand Wash Basin, Colorado and Wyoming
RS-29 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map RS-29 Directory and Statistics of Colorado Coal Mines with Distribution and Electric Generation Map, 1989
RS-25 Coal Resources of the Castle Rock (1/2° x 1°) Quadrangle RS-25 Coal Resources of the Castle Rock (1/2° x 1°) Quadrangle, Colorado
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
RS-24 Geothermal Resource Assessment of Ranger Warm Springs RS-24 Geothermal Resource Assessment of Ranger Warm Springs, Colorado