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000019235 001__ 19235
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000019235 035__ $$a(OCoLC)ocm04201725
000019235 035__ $$a19235
000019235 040__ $$aUUM$$cUUM$$dIEP
000019235 043__ $$an-us-il
000019235 049__ $$aIEPC
000019235 090__ $$aQE105$$b.A25 no.129
000019235 092__ $$a557.73$$bIL29r, no. 129
000019235 1001_ $$aLeighton, Morris M.$$q(Morris Morgan),$$d1887-1971.
000019235 24510 $$aPhysiographic divisions of Illinois,$$cby M. M. Leighton, George E. Ekblaw, and Leland Horberg.
000019235 260__ $$aUrbana,$$c1948.
000019235 300__ $$a16-33 p.$$bmaps.$$c25 cm.
000019235 4901_ $$aIllinois State Geological Survey. Report of investigations$$vno.129
000019235 500__ $$a"Reprinted from the Journal of geology, vol.56, no.1, January, 1948."
000019235 504__ $$a"References cited": p.33
000019235 650_0 $$aPhysical geography$$zIllinois.
000019235 650_0 $$aGeology$$zIllinois.
000019235 7001_ $$aEkblaw, George Elbert,$$d1895-$$ejoint author.
000019235 7001_ $$aHorberg, Leland,$$d1910-1955,$$ejoint author.
000019235 830_0 $$aReport of investigations (Illinois State Geological Survey)$$vno.129.
000019235 85200 $$bgen$$hQE105$$i.A25$$ino.129
000019235 909CO $$ooai:library.usi.edu:19235$$pGLOBAL_SET
000019235 980__ $$aBIB
000019235 980__ $$aBOOK