02497oam 2200637I 450 991070412960332120151214155200.0(CKB)5470000002438371(OCoLC)883401591(EXLCZ)99547000000243837120140711d1944 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierGeological and geophysical survey of fluorspar areas in Hardin County, Illinois[Washington, D.C.] :United States Department of the Interior, Geological Survey,1944.Washington :United States Government Printing Office.1 online resource (ix, 150 pages, 24 pages of plates) illustrations, mapsBulletin / United States Department of the Interior, Geological Survey ;942Title from title screen (viewed July 10, 2014).Addendum: pages 71-72."Prepared in cooperation with the State of Illinois Department of Registration and Education, State Geological Survey Division."Includes bibliographical references and index.pt. 1. Geology of the Cave in Rock district, by L.W. Currier with the collaboration of O.E. Wagner, Jr. -- pt. 2. An exploratory study of faults in the Cave in Rock and Rosiclare districts by the earth-resistivity method, by M. King Hubbert.GeologyIllinoisHardin CountyGeophysicsIllinoisHardin CountyFluorsparIllinoisHardin CountyFluorsparfastGeologyfastGeophysicsfastIllinoisHardin CountyfastGeologyGeophysicsFluorsparFluorspar.Geology.Geophysics.Currier L. W(Louis Wade),1890-1970.1387196Wagner Oskar1906-1420556Hubbert M. King(Marion King),1903-1989.1420557Geological Survey (U.S.),Illinois State Geological Survey,COPCOPOCLCOOCLCAOCLCFTRAALOCLCOGPOBOOK9910704129603321Geological and geophysical survey of fluorspar areas in Hardin County, Illinois3538894UNINA