IS-48 Colorado Water Quality Database from the Environmental Protection Agency's STORET Database IS-48 Colorado Water Quality Database from the Environmental Protection Agency’s STORET Database
IS-21 Bibliography and Index of Colorado Geology IS-21 Bibliography and Index of Colorado Geology, 1983
IS-18 Oil and Gas Fields of Colorado: Statistical Data through 1981 IS-18 Oil and Gas Fields of Colorado: Statistical Data through 1981
IS-19 Bibliography and Index of Colorado Geology 1981-1982 IS-19 Bibliography and Index of Colorado Geology 1981-1982
IS-23 Results of a Search for Felt Reports for Selected Colorado Earthquakes IS-23 Results of a Search for Felt Reports for Selected Colorado Earthquakes
MS-29 Map Showing Potential Metal-Mine Drainage Hazards in Colorado MS-29 Map Showing Potential Metal-Mine Drainage Hazards in Colorado, Based on Mineral-Deposit Geology
SP-08 Proceedings SP-08 Proceedings, Governor’s Third Conference on Environmental Geology-Geologic Factors in Land-Use Planning House Bill 1041