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000054111 001__ 54111
000054111 005__ 20210513015811.0
000054111 008__ 701211s1970\\\\iluab\\\\b\\\s00010\engm\
000054111 010__ $$a71-632833
000054111 035__ $$a(OCoLC)00110640
000054111 035__ $$a54111
000054111 040__ $$aDLC$$cDLC$$dm.c.$$dIEP
000054111 043__ $$an-us-il
000054111 049__ $$aIEPC
000054111 0500_ $$aQE105$$b.A45 no. 450
000054111 092__ $$a557.73$$bIL, no. 450
000054111 1001_ $$aHeigold, Paul C.
000054111 24512 $$aA gravity survey of extreme southeastern Illinois$$c[by] Paul C.   Heigold.
000054111 260__ $$aUrbana,$$bIllinois State Geological Survey,$$c1970.
000054111 300__ $$a12 p.$$billus., maps (1 fold. in pocket)$$c26 cm.
000054111 4901_ $$aIllinois State Geological Survey Circular$$v450
000054111 500__ $$aCover title.
000054111 504__ $$aBibliography: p. 11-12.
000054111 650_0 $$aGravity$$zIllinois.
000054111 830_0 $$aCircular (Illinois State Geological Survey)$$v450.
000054111 85200 $$bgen$$hQE105$$i.A45$$ino.450
000054111 909CO $$ooai:library.usi.edu:54111$$pGLOBAL_SET
000054111 980__ $$aBIB
000054111 980__ $$aBOOK