SP-25 Forecast of Colorado Coal Industry SP-25 Forecast of Colorado Coal Industry, Production and Employment, 1984 to 2004
OF-82-01 Coal Bed Methane Potential of the Piceance Basin OF-82-01 Coal Bed Methane Potential of the Piceance Basin, Colorado
OF-83-01 Bibliography of Coal Resources OF-83-01 Bibliography of Coal Resources, San Juan River Coal Region, Colorado
OF-83-02 Geophysical and Lithological Logs from the 1982 and 1983 Coal Drilling and Coring Program OF-83-02 Geophysical and Lithological Logs from the 1982 and 1983 Coal Drilling and Coring Program, Castle Rock (1/2° x 1°) Quadrangle
OF-83-10 Programmable Calculator Solutions for Coal Quality Determinations OF-83-10 Programmable Calculator Solutions for Coal Quality Determinations
MS-15 Map and Discovery of Permitted Colorado Coal Mines MS-15 Map and Discovery of Permitted Colorado Coal Mines, 1981