IS-68 Directory of Active Mines and Mine Permits in Colorado IS-68 Directory of Active Mines and Mine Permits in Colorado, 2002
IS-62 Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado IS-62 Digital Inventory of Industrial Mineral Mines and Mine Permit Locations in Colorado
OF-02-11 Evaluation of Mineral and Mineral Fuel Potential of Bent County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-02-11 Evaluation of Mineral and Mineral Fuel Potential of Bent County State Mineral Lands Administered by the Colorado State Land Board
OF-02-03 Geologic Map of the Keystone Quadrangle OF-02-03 Geologic Map of the Keystone Quadrangle, Summit County, Colorado
OF-02-04 Geologic Map of the Monument Quadrangle OF-02-04 Geologic Map of the Monument Quadrangle, El Paso County, Colorado
OF-02-05 Geologic Map of the Cheyenne Mountain Quadrangle OF-02-05 Geologic Map of the Cheyenne Mountain Quadrangle, El Paso County, Colorado
OF-02-06 Geologic Map of the Fort Garland SW Quadrangle OF-02-06 Geologic Map of the Fort Garland SW Quadrangle, Costilla County, Colorado
OF-02-07 Geologic Map of the Breckenridge Quadrangle OF-02-07 Geologic Map of the Breckenridge Quadrangle, Summit and Park Counties, Colorado
OF-02-12 Sand and Gravel Resources Adjacent to the Colorado River Valley OF-02-12 Sand and Gravel Resources Adjacent to the Colorado River Valley, Garfield 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-02-15 Evaluation of Bottom-Hole Temperatures in the Denver and San Juan Basins of Colorado (detail) OF-02-15 Evaluation of Bottom-Hole Temperatures in the Denver and San Juan Basins of Colorado
OF-02-08 Soil and Bedrock Conditions and Construction Considerations OF-02-08 Soil and Bedrock Conditions and Construction Considerations, North-Central Douglas County, Colorado