B-46 Colorado Earthquake Data and Interpretation B-46 Colorado Earthquake Data and Interpretation, 1867 to 1985
SP-19 Colorado Tectonics SP-19 Colorado Tectonics, Seismicity and Earthquake Hazards: Proceedings and Field Trip Guide of a Symposium Held in Denver, Colorado, June 4-6, 1981
B-43 Earthquake Potential in Colorado B-43 Earthquake Potential in Colorado, A Preliminary Evaluation
SP-06 Guidelines and Criteria For Identification and Land-Use Controls of Geologic Hazard and Mineral Resource Areas SP-06 Guidelines and Criteria For Identification and Land-Use Controls of Geologic Hazard and Mineral Resource Areas