Possible producing strata existing below the McClosky in Illinois.

Bibliographic Details
Main Author:	Bell, A. H. (Alfred Hannam), 1895-
Format:	Book
Language:	English
Published:	[Urbana] : [1938?] [date of publication not identified]
Series:	Circular (Illinois State Geological Survey) ; 38.
Subjects:	Geology > Illinois Valley. Geology, Stratigraphic > Mississippian.

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