01018cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111050002200157051002700179082001100206100002500217245011300242260002100355300006100376490007000437500005000507504002800557650001300585700004700598810007800645999001700723gs 56000196 DLC20260227111404.0780307s1956    oruab    b    000 0 eng c  ags 56000196   a(OCoLC)3693899  aU.S. Geol. Survey. Libr.cULAdOCoLCdDLC00aQE155b.A3 no. 46  aTN948.B2bC63cCopy 2.  a553.491 aCorcoran, Raymond E.10aFerruginous bauxite deposits in the Salem Hills, Marion County, Oregon,cby R. E. Corcoran and F. W. Libbey.  aPortland,c1956.  a53 p.billus., maps (part col.) diagrs., tables.c28 cm.1 aOregon. Dept. of Geology and Mineral Industries. Bulletinvno. 46  aPart of illustrative matter folded in pocket.  aBibliography: p. 50-53. 0aBauxite.1 aLibbey, Fay Wilmott,d1882-ejoint author.10aOregon.bDepartment of Geology and Mineral Industries.tBulletinvno. 46.  c29080d29080