01297cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035001900092040003300111042001200144050001700156082001700173100004600190245032700236260002500563300005300588410007200641500013300713504003200846650002300878700006700901700003400968999001701002gs 41000012 DLC20260227111346.0781117s1940 iluab b 000 0 eng c ags 41000012  a(OCoLC)4381222 aU.S. Geol. SurveycKWiUdDLC apremarc00aQE106.A6bW4 a551.709773991 aWeller, J. Marvinq(James Marvin),d1899-00aPreliminary geological map of parts of the Alto Pass, Jonesboro, and Thebes Quadrangles, Union, Alexander, and Jackson counties.cBy J. Marvin Weller and George E. Ekblaw. Revised in part from map by T. E. Savage. Explanation and stratigraphic summary by J. Marvin Weller. Printed by authority of the state of Illinois. aUrbana, Ill.,c1940. a26 p. :billus., fold. map (in pocket) ;c25 cm.20aIllinois State Geological SurveytReport of investigations,vno. 70 aAt head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey ... aBibliographical foot-notes. 0aGeologyzIllinois.1 aEkblaw, George E.q(George Elbert),d1895-1972,ejoint author.1 aSavage, Thomas Edmund,d1866- c27687d27687