02169oam 2200565 450 991070627250332120171006090702.0(CKB)5470000002455710(OCoLC)891600096(OCoLC)995470000002455710(EXLCZ)99547000000245571020140929d1959 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierThe geology of the upper Mississippi Valley zinc-lead district /by Allen V. Heyl, Jr. [and four others]; with special sections by Arthur E. FlintWashington :United States Department of the Interior, Geological Survey,1959.1 online resource (x, 310 pages) illustrations, maps +24 platesGeological Survey professional paper ;309Title from title screen (viewed September 26, 2014)."Prepared in cooperation with the Wisconsin Geological and Natural History Survey, the Iowa Geological Survey, and the Illinois State Geological Survey."Pages 300-305 missing.Includes bibliographical references (pages 296-3??) and index.GeologyMississippi River ValleyZinc mines and miningMississippi River ValleyGeologyfastZinc mines and miningfastMississippi River ValleyMississippi River ValleyfastGeologyZinc mines and miningGeology.Zinc mines and mining.Heyl Allen V(Allen Van),1918-2008,1387333Flint Arthur E.1913-Geological Survey (U.S.),Wisconsin Geological and Natural History Survey.Iowa Geological Survey.Illinois State Geological Survey.COPCOPOCLCOOCLCFGPOBOOK9910706272503321The geology of the upper Mississippi Valley zinc-lead district3437030UNINA