000 00896cam a22002411 4500
001 gs 25000364
003 DLC
005 20260227111329.0
008 760625s1925 xx 000 0 eng c
010 _ags 25000364
035 _a(OCoLC)2281975
040 _aU.S. Geol. Survey. Library
_cTxEU
_dDLC
042 _apremarc
050 0 0 _aTN871
_b.M6
100 1 _aMoulton, Gail Francis,
_d1898-
245 1 0 _aProper testing for oil structures in Illinois and some areas deserving such testing,
_cby Gail F. Moulton.
260 _aUrbana, Ill.,
_c1925.
300 _a22 p.
_billus., tables., diagrs.
_c25 cm.
410 2 0 _aIllinois State Geological Survey
_tReport of investigations,
_vno. 6
500 _aAt head of title: State of Illinois. Department of registration and education. Division of the State geological survey.
650 0 _aPetroleum
_zIllinois.
650 0 _aPetroleum
_xTesting.
999 _c26405
_d26405