01158cam a22003011a 4500001001300000003000400013005001700017008004100034010001700075035001900092040004300111050002300154051002300177070002200200072000900222082000800231100003500239245015200274260004600426300007700472440003900549500010400588504003000692500002000722650005000742700004700792999001700839gs 57000204 DLC20260227111405.0790212s1957    dcuab    b    001 0 eng c  ags 57000204   a(OCoLC)4646079  aU.S. Geol. Survey LibycTxUdDNALdDLC00aQE75b.B9 no. 1034  aTN30b.R6cCopy 2.0 a407bG29B no.1034 0aX400  a5531 aRoberts, Ralph Jackson,d1911-10aMineral deposits of Central America /cby Ralph J. Roberts and Earl M. Irving ; With a section on manganese deposits of Panama, by Frank S. Simons.  aWashington, [D.C.] :bU.S. G.P.O.,c1957.  ax, 205 p. :bill., maps (some col.) ;c24 cm. +e16 folded maps in case. 0aGeological Survey bulletin ;v1034  a"Prepared under the auspices of the International Cooperation Administration, U.S. Dept. of State."  aBibliography: p. 195-198.  aIncludes index. 0aMines and mineral resourceszCentral America.1 aIrving, Earl M.q(Earl Montgomery),d1911-  c29165d29165