01222cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040005000111042001200161050001600173100003300189245020100222260007800423300014500501490005600646500012400702504003100826650002500857650002700882830005900909gs 28000288 DLC20260227111332.0780303s1927 xx 000 0 eng c ags 28000288  a(OCoLC)3687410 aLibrary, U.S. Geological SurveycOTdTxUdDLC apremarc00aQE105b.A161 aMylius, Louis Aubrey,d1890-10aOil and gas development and possibilities in east-central Illinois.b(Clark, Coles, Douglas, Edgar and parts of adjoining counties)cBy L. A. Mylius. Printed by authority of the state of Illinois. aUrbana, Ill.a[Springfield,bJeffersons printing & stationery co.]c1927. a205 p. incl. illus., tables, diagrs.bXXXI fold. pl. (incl. maps, plans, diagrs., pl., XXI-XXXI in separate portfolio) fold. tables.c26 cm.1 aIllinois. State geological survey. Bulletinvno. 54 aAt head of title: State of Illinois. Department of registration and education. Division of the state geological survey. aBibliographical footnotes. 0aPetroleumzIllinois. 0aNatural gaszIllinois. 0aBulletin (Illinois State Geological Survey) ;vno. 54.