Lead-zinc deposits of Cordillera Blanca and northern Cordillera Huayhuash, Peru Bodenlos, Alfred John. creator Ericksen, George Edward. text bibliography dcu Washington, [D.C.] U.S. G.P.O. 1955 monographic eng
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vii, 166 p. : ill., maps ; 24 cm. by Alfred J. Bodenlos and George E. Ericksen. Twelve folded maps in pocket. "Prepared in cooperation with the Ministerio de Fomento, Institute Geológico del Perú, under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation with the American Republics, Dept. of State." Includes index. Bibliography: p. 160-161. Lead ores Peru Zinc ores Peru Lead mines and mining Peru Zinc mines and mining Peru QE75 .B9 no. 1017 553.44 Geological Survey bulletin ; 1017 Geologic investigations in the American republics gs 55000306 DLC 780826 20260227111403.0 gs 55000306