02079oam 2200541 450 991070740570332120160909093326.0(CKB)5470000002465476(OCoLC)885121024(EXLCZ)99547000000246547620140802d1962 ua 0engurn||||||||||txtrdacontentcrirdacontentcrdamediacrrdacarrierLead-zinc deposits of the Boquira district, State of Bahia, Brazil /by Robert F. JohnsonWashington, D.C. :United States Department of the Interior, Geological Survey,1962.Washington, D.C. :Government Printing Office.1 online resource (iii, 33 pages, 2 pages of plates) illustrations, maps, chartsGeological Survey bulletin ;1110-A"Prepared in cooperation with the Departamento Nacional da Producão Mineral, Brazil, under the auspices of the International Cooperation Administration of the Department of State."Title from title screen (viewed July 23, 2014).Includes bibliographical references (page 30) and index.Contributions to Brazilian geology, nonferrous metalsLead oresBrazilBahia (State)Zinc oresBrazilBahia (State)Lead oresfastZinc oresfastBrazilBahia (State)fastLead oresZinc oresLead ores.Zinc ores.Johnson Robert F.1916-1406927Brazil.Departamento Nacional da Produção Mineral,United States.International Cooperation Administration,Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707405703321Lead-zinc deposits of the Boquira district, State of Bahia, Brazil3487078UNINA