Butler, B. S. (Bert Sylvenus) 1877-1960 creator Loughlin, G. F. (Gerald Francis) 1880-1946 Heikes, V. C. (Victor Conrad) 1867- joint author. text bibliography dcu Washington Govt. Print. Off. 1920 monographic eng

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672 p. illus., LVII pl. (part fold., incl. maps (7 in pocket) diagrs.) on 43 l., fold. tab. 30 cm. by B.S. Butler, G.F. Loughlin, V.C. Heikes and others. At head of title: Department of the Interior ... Bibliography: p. 38-57. Ore deposits Mines and mineral resources Utah QE75 .P9 no. 111 gs 20000313 U.S. Geol. Survey. Libr. 780307 20260227111324.0 gs 20000313