Cambrian and Ordovician strata of northeastern Illinois.

Bibliographic Details
Main Author:	Buschbach, T. C. (Thomas Charles), 1923-
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1964.
Series:	Report of investigations (Illinois State Geological Survey) ; no. 218.
Subjects:	Geology > Illinois. Geology, Stratigraphic > Cambrian. Geology, Stratigraphic > Ordovician.

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