Department of Natural Resources, State of Colorado

Guidelines and Criteria for Identification and Land-Use Controls of Geologic Hazard and Mineral Resource Areas, Special Publication No. 6 [Paperback] W. P. D. L. Scroggs & J. M. Soule Rogers; D. L. Scroggs & J. M. Soule Rogers, W. P., L. R. Ladwig, A. L. Hornbaker, S. D. Schwochow, S. S. Har and B&W Diagrams