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-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
OF-96-04-20 History OF-96-04-20 History, Geology, Hydrogeology, Summitville Mine and Downstream Effects, and Other Nearby Mines of the San Luis Valley, Colorado
GEO-1992-01 State Geological Survey Evaluation Report (First Edition) GEO-1992-01 State Geological Survey Evaluation Report (First Edition)
IS-27 History of the Colorado Geological Survey (1872-1988) IS-27 History of the Colorado Geological Survey (1872-1988)
GEO-1979-01 The History and Activities of Your State Geological Survey GEO-1979-01 The History and Activities of Your State Geological Survey
MIN-1965-01 Compilation of Colorado Bureau of Mines Annual Reports 1896-1965 (1964 cover example) MIN-1965-01 Compilation of Colorado Bureau of Mines Annual Reports 1896-1965
MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado