IS-02 Coal Mines of Colorado, Statistical Data

B-37 Bibliography and Index of Colorado Geology, 1875 to 1975

OF-75-07 Gas Pipelines in Colorado

OF-75-08 Oil Pipelines in Colorado

OF-75-09 Oil and Gas Fields of Colorado

MI-12 Fluorspar Deposits in Colorado

OF-75-00 Fluorspar Deposits in Colorado

OF-75-02 Selected References on Colorado Mineral Resources

SP-04 Geology of Ground Water Resources in Colorado: An Introduction

SP-06 Guidelines and Criteria For Identification and Land-Use Controls of Geologic Hazard and Mineral Resource Areas

B-35 Proceedings of a Symposium on Geothermal Energy and Colorado

EG-02 Engineering Geology Report for Planning District 1, Colorado