Rotary drilling in Illinois

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049 ‡aUIUU
050 1 4 ‡aQE105 ‡b.A45 no. 56
100 1 ‡aCohee, George Vincent, ‡d1907-
245 1 0 ‡aRotary drilling in Illinois, ‡cby George V. Cohee.
260 ‡aUrbana : ‡bIllinois State Geological Survey, ‡c1939.
300 ‡a173-175 p. ; ‡c25 cm.
490 0 ‡aIllinois State Geological Survey. Circular ‡vno. 56
500 ‡a"Reprinted from the Transactions, Illinois State Academy of Science, vol. 31, no. 2, pp. 173-175, 1939."
500 ‡aCover title.
538 ‡aMode of access: Internet.
650 0 ‡aOil wells ‡xEquipment and supplies ‡zIllinois..
650 0 ‡aOil well drilling ‡zIllinois..
710 2 ‡aIllinois State Geological Survey.
CID ‡a100149236
DAT 0 ‡a20120718213000.0 ‡b20140306000000.0
DAT 1 ‡a20180314162216.0 ‡b2018-03-15T04:15:09Z
DAT 2 ‡a2014-03-09T20:00:03Z ‡b2014-10-04T20:00:04Z
CAT ‡aSDR-UIUC ‡dUNKNOWN ‡lprepare.pl-004-007
FMT ‡aBK
HOL ‡0sdr-uiuc6178450 ‡auiuo ‡bSDR ‡cIUIUC ‡puiuo.ark:/13960/t5p85gn7q ‡sUIU ‡zInformation circular / Illinois State Geological Survey ; [no. 56] ‡16178450 ‡8ia.rotarydrillingin56cohe
974 ‡8ia.rotarydrillingin56cohe ‡bUIU ‡cIUIUC ‡d20180315 ‡sia ‡uuiuo.ark:/13960/t5p85gn7q ‡zInformation circular / Illinois State Geological Survey ; [no. 56] ‡y1939 ‡rcc-by-nc-sa-3.0 ‡qcon