00969cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050001700142100003400159245008100193260007300274300001800347410007100365500012400436650003900560650004100599740005800640999001700698gs 28000208 DLC20260227111332.0790607s1928 ilua s000 0 eng  ags 28000208  a(OCoLC)5045398 aDLCcTxCMdDLC apremarc00aTN872.I3bR61 aRoot, Towner Bowditch,d1899-14aThe oil and gas resources of the Ava-Campbell Hill area,cby Towner B. Root. aUrbana, Ill.,bPrinted by authority of the state of Illinois,c1928. a27 p.billus.20aIllinois State Geological SurveytReport of Investigationsvno. 16 aAt head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. 0aPetroleumzIllinois, Southwestern. 0aNatural gaszIllinois, Southwestern.0 aAva-Campbell Hill area, Oil and gas resources of the. c26645d26645