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
OF-02-13 History OF-02-13 History, Geology, and Environmental Setting of Selected Mines Near Ophir, Uncompahgre National Forest, San Miguel County, Colorado
FT-01-02 The San Juan Mountains of Southwest Colorado: Geology FT-01-02 The San Juan Mountains of Southwest Colorado: Geology, Water Quality, Mine Remediation, and Avalanche Hazards?- Field Trip Guidebook
OF-01-11 History OF-01-11 History, Geology, and Environmental Setting of the Tweed Mine, Pike/San Isabel National Forest, Chaffee County, Colorado
FT-00-03 A Dash with Dinosaurs: A Mountain Bike Trek to the Purgatoire River Dinosaur Trackway and K-T Boundary Impact Layer of SE Colorado FT-00-03 A Dash with Dinosaurs: A Mountain Bike Trek to the Purgatoire River Dinosaur Trackway and K-T Boundary Impact Layer of SE Colorado
FT-00-01 Guide to the Geology of the Glenwood Springs Area FT-00-01 Guide to the Geology of the Glenwood Springs Area, Garfield County, Colorado