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-00-02 Geology, Water Quality, and Avalanche Hazards of the Ouray – Silverton Area, Southwest Colorado: Field Trip Guidebook

WAT-2000-01 Scoping Report for Ground-Water Atlas of Colorado

OF-00-16 Naturally Degraded Surface Waters Associated with Hydrothermally Altered Terrane in Colorado

RockTalk: Water Quality in Colorado

OF-99-18 History, Geology, and Environmental Setting of Selected Mines near Creede, Rio Grande National Forest, Mineral County, Colorado

OF-00-10 History, Geology, and Environmental Setting of the Lower Fair Day Mine, Arapaho/Roosevelt National Forest, Boulder County, Colorado

RockTalk: Annual Report 2000

IS-49 Reconnaissance Field Investigation of Surface-Water Specific Conductance in the Snowmass-Glenwood Springs Area, West-Central Colorado

OF-99-09 Directory of Colorado Water Quality Data

RockTalk: Annual Review 1999

WAT-1998-02 Abandoned Mines and Naturally Occurring Acid Rock Drainage on National Forest System Lands in Colorado