Geologic notes.

Bibliographic Details
Other Authors:	Jacobson, R. J., Trask, C. Brian, Palmer, James Edward, Peppers, Russel A. (Russel Allen), 1932-, Nelson, W. John, Killey, Myrna M., Lineback, Jerry Alvin
Format:	Book
Language:	English
Published:	Champaign, IL : Illinois State Geological Survey, 1983.
Series:	Circular (Illinois State Geological Survey) ; 529.
Subjects:	Stratigraphic correlation > Illinois. Geology, Stratigraphic > Nomenclature. Geology > Illinois.

Description
Physical Description:	16 pages : illustrations, maps (1 folded in pocket) ; 28 cm.