OF-01-19 Evaluation of Mineral and Mineral Fuel Potential of Prowers County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-01-19 Evaluation of Mineral and Mineral Fuel Potential of Prowers County State Mineral Lands Administered by the Colorado State Land Board
OF-01-10 Evaluation of Mineral and Mineral Fuel Potential of Huerfano and Custer Counties State Mineral Lands Administered by the Colorado State Land Board (detail) OF-01-10 Evaluation of Mineral and Mineral Fuel Potential of Huerfano and Custer Counties State Mineral Lands Administered by the Colorado State Land Board
OF-01-18 Evaluation of Mineral and Mineral Fuel Potential of Montezuma and Dolores Counties State Mineral Lands Administered by the Colorado State Land Board (detail) OF-01-18 Evaluation of Mineral and Mineral Fuel Potential of Montezuma and Dolores Counties State Mineral Lands Administered by the Colorado State Land Board
OF-01-15 Evaluation of Mineral and Mineral Fuel Potential of Jackson County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-01-15 Evaluation of Mineral and Mineral Fuel Potential of Jackson County State Mineral Lands Administered by the Colorado State Land Board
OF-01-20 Evaluation of Mineral and Mineral Fuel Potential of Archuleta OF-01-20 Evaluation of Mineral and Mineral Fuel Potential of Archuleta, Hinsdale, La Plata, Mineral, and San Juan Counties State Mineral Lands Administered by the Colorado State Land Board
OF-01-09 Evaluation of Mineral and Mineral Fuel Potential of Kiowa County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-01-09 Evaluation of Mineral and Mineral Fuel Potential of Kiowa County State Mineral Lands Administered by the Colorado State Land Board
OF-01-02 Geologic Map of the Gibson Gulch Quadrangle OF-01-02 Geologic Map of the Gibson Gulch Quadrangle, Garfield County, Colorado
OF-01-11 History OF-01-11 History, Geology, and Environmental Setting of the Tweed Mine, Pike/San Isabel National Forest, Chaffee County, Colorado
OF-01-12 History OF-01-12 History, Geology, and Environmental Setting of the Lienhart Mine, Pike/San Isabel National Forest, Chaffee County, Colorado
OF-01-13 History OF-01-13 History, Geology, and Environmental Setting of Selected Mines in the Chalk Creek Mining District, Pike/San Isabel National Forest, Chaffee County, Colorado
OF-01-14 History OF-01-14 History, Geology, and Environmental Setting of the Griffin and Wilkesbarre Mines, Pike/San Isabel National Forest, Lake County, Colorado
OF-01-05 Geologic Map of the Georgetown Quadrangle OF-01-05 Geologic Map of the Georgetown Quadrangle, Clear Creek County, Colorado