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
WAT-1998-01 Characterization and Functional Assessment of Reference Wetlands in Colorado: A Preliminary Investigation of Hydrogeomorphic (HGM) Classification and Functions for Colorado's Wetlands WAT-1998-01 Characterization and Functional Assessment of Reference Wetlands in Colorado