Subsurface geology and coal resources of the Pennsylvanian system; Sangamon, Macon, Menard, and parts of Christian and Logan Counties, Illinois.

Bibliographic Details
Main Author:	Clegg, Kenneth Edward
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1961.
Series:	Circular (Illinois State Geological Survey) ; 312.
Subjects:	Geology, Stratigraphic > Pennsylvanian. Coal > Geology > Illinois.

Evans: Library Stacks