Books by Royden Edward Head:
Books in the extended shelves:
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Head, Royden Edward, 1879-: Quantitative microscopic determination of chalcopyrite, chalcocite, bornite, and pyrite in a porphyry ore (U.S. Dept. of the Interior, Bureau of Mines, 1921), also by United States Bureau of Mines (page images at HathiTrust)- Head, Royden Edward, 1879-: Statistical microscopic examination of mill products of the Copper Queen concentrator, of the Phelps Dodge Corporation, Bisbee, Ariz. (U.S.Bureau of Mines, 1932), also by Glen Burgener, Fred Emerson Thackwell, Arthur L. Crawford, University of Utah, and United States Bureau of Mines (page images at HathiTrust)
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