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-03-13 History OF-03-13 History, Geology and Environmental Setting of the Southern Cross and 7D Mines, Hahns Peak Mining District, Routt National Forest, Routt County, 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
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-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado OF-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado
IS-49 Reconnaissance Field Investigation of Surface-Water Specific Conductance in the Snowmass-Glenwood Springs Area IS-49 Reconnaissance Field Investigation of Surface-Water Specific Conductance in the Snowmass-Glenwood Springs Area, West-Central Colorado
RS-33 Spanish Peak Field RS-33 Spanish Peak Field, Las Animas County, Colorado: Geologic Setting and Early Development of a Coalbed Methane Reservoir in the Central Raton Basin
RS-31 Coalbed Methane in the Upper Cretaceous Fruitland Formation RS-31 Coalbed Methane in the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico and Colorado
RS-30 Geologic and Hydrologic Controls on Coalbed Methane: Sand Wash Basin RS-30 Geologic and Hydrologic Controls on Coalbed Methane: Sand Wash Basin, Colorado and Wyoming