00778cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040004400112042001200156050002200168051002400190100003500214245003800249260002700287300004400314410007500358504002500433650001200458650003700470999001700507gs 57000338 DLC20260227111406.0910906s1956    bl a     b    000 0 por c  ags 57000338   a(OCoLC)24339336  aU.S. Geol. Survey. Libr.cTxUdTxUdDLC  apremarc00aTN41b.A35 no. 79  aTN440b.L4cCopy 2.1 aLeonardos, Othon Henry,d1899-10aCobre no Brazil e no estrangeiro.  aRio de Janeiro,c1956.  a31 p.billus., diagrs., tables.c24 cm.10aBrazil.bDivisão de Fomento da Produção Mineral.tAvulsovno. 79  aBibliography: p. 31. 0aCopper. 0aCopper mines and miningzBrazil.  c29189d29189