Subsurface geology and coal resources of the Pennsylvanian system in Clark, and Edgar Counties, Illinois /

Bibliographic Details
Main Author:	Clegg, Kenneth Edward
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1965.
Series:	Circular (Illinois State Geological Survey) ; 380.
Subjects:	Coal > Geology > Illinois > Clark County. Coal > Geology > Illinois > Edgar County. Geology, Stratigraphic > Pennsylvanian. Geology > Illinois > Clark County. Geology > Illinois > Edgar County.

Description
Item Description:	At head of title: State of Illinois. Department of Registration and Education.
Physical Description:	28 pages : illustrations, maps (3 folded in pocket)
Bibliography:	Bibliography: page 28.