Technical Report Archive and Image Library (TRAIL) - 2 Matching Results

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Chromite and quicksilver deposits of the Del Puerto area, Stanislaus County, California

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."
Date: 1942
Creator: Hawkes, H. E., Jr.; Wells, Francis G. & Wheeler, D. P., Jr.
Partner: UNT Libraries Government Documents Department

Investigation of the Black Wonder Manganese Deposits, Santa Clara and Stanislaus Counties, California

Description: Report issued by the Bureau of Mines over manganese deposits of Santa Clara and Stanislaus Counties. As stated in the introduction, "the geology is outlined, ore deposits are described and work performed by the Bureau of Mines is covered in detail and supplemented by assay maps and figures" (p. 1). This report includes tables, maps, and illustrations.
Date: September 1956
Creator: Volin, M. E.; Matson, E. J. & Trengove, R. R.
Partner: UNT Libraries Government Documents Department