OF-03-14 History OF-03-14 History, Geology and Environmental Setting of Selected Mines in the Upper Alamosa River Basin, Rio Grande National Forest, Conejos and Rio Grande Counties, Colorado
OF-02-13 History OF-02-13 History, Geology, and Environmental Setting of Selected Mines Near Ophir, Uncompahgre National Forest, San Miguel County, Colorado
RS-40 Geology and Mineral Resources of Park County RS-40 Geology and Mineral Resources of Park 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-99-18 History OF-99-18 History, Geology, and Environmental Setting of Selected Mines near Creede, Rio Grande National Forest, Mineral County, Colorado
OF-00-10 History OF-00-10 History, Geology, and Environmental Setting of the Lower Fair Day Mine, Arapaho/Roosevelt National Forest, Boulder County, Colorado