OF-04-04 Geologic Map of the Buena Vista East Quadrangle OF-04-04 Geologic Map of the Buena Vista East Quadrangle, Chaffee County, Colorado
OF-04-05 Geologic Map of the Castle Rock South Quadrangle OF-04-05 Geologic Map of the Castle Rock South Quadrangle, Douglas County, Colorado
OF-04-06 Geologic Map of the Cherry Valley School Quadrangle OF-04-06 Geologic Map of the Cherry Valley School Quadrangle, Elbert, Douglas, and El Paso Counties, Colorado
OF-04-07 Geologic Map of the Dawson Butte Quadrangle OF-04-07 Geologic Map of the Dawson Butte Quadrangle, Douglas County, Colorado
OF-03-01 Evaluation of Mineral and Mineral Fuel Potential of Lincoln County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-03-01 Evaluation of Mineral and Mineral Fuel Potential of Lincoln County State Mineral Lands Administered by the Colorado State Land Board
OF-03-11 Evaluation of Mineral and Mineral Fuel Potential of Adams OF-03-11 Evaluation of Mineral and Mineral Fuel Potential of Adams, Arapahoe, and Denver Counties State Mineral Lands Administered by the Colorado State Land Board
OF-03-12 Evaluation of Mineral and Mineral Fuel Potential of Baca County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-03-12 Evaluation of Mineral and Mineral Fuel Potential of Baca County State Mineral Lands Administered by the Colorado State Land Board
OF-03-05 Evaluation of Mineral and Mineral Fuel Potential of Crowley and Otero Counties State Mineral Lands Administered by the Colorado State Land Board (detail) OF-03-05 Evaluation of Mineral and Mineral Fuel Potential of Crowley and Otero Counties State Mineral Lands Administered by the Colorado State Land Board
OF-03-07 Evaluation of Mineral and Mineral Fuel Potential of El Paso County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-03-07 Evaluation of Mineral and Mineral Fuel Potential of El Paso County State Mineral Lands Administered by the Colorado State Land Board
RS-41 Available Coal Resources of the Williams Fork Formation in the Yampa Coal Field RS-41 Available Coal Resources of the Williams Fork Formation in the Yampa Coal Field, Routt and Moffat Counties, Colorado
OF-03-03 Evaluation of Mineral and Mineral Fuel Potential of Las Animas County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-03-03 Evaluation of Mineral and Mineral Fuel Potential of Las Animas County State Mineral Lands Administered by the Colorado State Land Board
OF-03-10 Evaluation of Mineral and Mineral Fuel Potential of Douglas and Elbert Counties State Mineral Lands Administered by the Colorado State Land Board (detail) OF-03-10 Evaluation of Mineral and Mineral Fuel Potential of Douglas and Elbert Counties State Mineral Lands Administered by the Colorado State Land Board