IS-77 Colorado Mineral and Energy Industry Activities, 2007

IS-75 Colorado Mineral and Energy Industry Activities 2006

RS-44 Geology and Mineral Resources of Saguache County, Colorado

MS-43 Coal Resource Maps of Colorado

RockTalk: Annual Review 2005

RockTalk: Colorado Coal

IS-71 Colorado Coal Directory, 2005

IS-70 Colorado Minerals and Mineral Fuel Activity Report 2004

IS-73 Colorado Mineral and Energy Industry Activities 2005

RockTalk: Central Colorado Geology

SP-54 2003 Summary of Coal Resources in Colorado

OF-03-01 Evaluation of Mineral and Mineral Fuel Potential of Lincoln County State Mineral Lands Administered by the Colorado State Land Board