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000065575 010__ $$a45-002340
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000065575 090__ $$aQE105$$b.A45 no.106
000065575 099__ $$aQE105 .A45 no.106
000065575 1001_ $$aLeighton, Morris M.$$q(Morris Morgan),$$d1887-1971.
000065575 24510 $$aUndiscovered oil reserves in Illinois,$$cby M. M. Leighton. Lower Ordovician and Cambrian oil possibilities in Illinois, by Stewart Folk.
000065575 260__ $$aUrbana, Ill.,$$c1944.
000065575 300__ $$a11 p. :$$bill. ;$$c26 cm.
000065575 4901_ $$aIllinois State Geological Survey$$tCircular$$vno. 106
000065575 500__ $$aAt head of title: State of Illinois, Dept. of registration and education, Division of the State Geological Survey.
000065575 500__ $$aFirst article reprinted from the Oil weekly, March 13, 1944; second article reprinted from the Oil weekly, March 20, 1944.
000065575 504__ $$a"References": p. 11.
000065575 650_0 $$aPetroleum$$zIllinois.
000065575 650_0 $$aPetroleum$$xGeology.
000065575 70012 $$aFolk, Stewart Huntley,$$d1915-$$tLower Ordovician and Cambrian oil possibilities in Illinois.
000065575 7400_ $$aOil reserves in Illinois.
000065575 830_0 $$aCircular (Illinois State Geological Survey)$$vno. 106.
000065575 85200 $$bgen$$hQE105 .A45 no.106
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000065575 966__ $$c1$$lUSIGEN$$mBKGEN$$sQE105 .A45 no.106$$xISEA$$z090$$b39203009331781
000065575 980__ $$aBIB
000065575 980__ $$aBOOK