OF-84-17 Bibliography OF-84-17 Bibliography: Coal Resources, North Park, Middle Park and South Park Coal Fields, Colorado
B-45 Bibliography and Index of Colorado Geology: 1975-1980 B-45 Bibliography and Index of Colorado Geology 1975-1980
OF-83-01 Bibliography of Coal Resources OF-83-01 Bibliography of Coal Resources, San Juan River Coal Region, Colorado
B-44 Bibliography of Geothermal Reports in Colorado B-44 Bibliography of Geothermal Reports in Colorado
B-40 Radioactive Mineral Occurrences of Colorado and Bibliography B-40 Radioactive Mineral Occurrences of Colorado and Bibliography
B-37 Bibliography and Index of Colorado Geology B-37 Bibliography and Index of Colorado Geology, 1875 to 1975
OF-75-02 Selected References on Colorado Mineral Resources OF-75-02 Selected References on Colorado Mineral Resources
B-33 Bibliography of Hydrogeologic Reports in Colorado B-33 Bibliography of Hydrogeologic Reports in Colorado
MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado MIN-1936-01 Annotated Catalogue of Unpublished Engineering and Geological Reports on Mineral Resources of Colorado