Description: From Introduction: "The present report is based on 10 weeks of field work from mid-November 1940 until late January 1941, and 4 days in May 1941. An area of 5 1/2 square miles in and about Del Puerto Canyon was mapped on a scale of 600 feet to 1 inch, and two small areas in the vicinity of the Adobe Canyon and Black Bart chromite mines were mapped on a scale of 200 feet to 1 inch."
Creator: Hawkes, H. E., Jr.; Wells, Francis G. & Wheeler, D. P., Jr.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department