Subsurface geology and coal resources of the Pennsylvanian system in Crawford and Lawrence Counties, Illinois.

Bibliographic Details
Main Author:	Potter, Paul Edwin
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1956.
Series:	Report of investigations (Illinois State Geological Survey) ; no. 193.
Subjects:	Geology > Illinois > Crawford County. Coal > Illinois > Crawford County. Geology > Illinois > Lawrence County. Coal > Illinois > Lawrence County. Geology, Stratigraphic > Pennsylvanian.

Description
Physical Description:	17 pages : illustrations
Bibliography:	Bibliography: page 17.