Bodenlos, Alfred J. Lead-zinc deposits of Cordillera Blanca and Northern Cordillera Huayhuash, Peru - Washington, D.C. Government Printing Office 1955 - 166 p. ilus., maps. - U.S. Geological Survey Bulletin n.1017 . Subjects--Topical Terms: GEOLOGIA ECONOMICAPLOMOYACIMIENTOS MINERALESZINC Subjects--Geographic Terms: ANCASHCORDILLERA BLANCACORDILLERA DE HUAYHUASH Universal Decimal Class. No.: P/553.441(851.7)/B65