Niagaran reefs and oil accumulation in the DeWitt-McLean County area, Illinois.

Bibliographic Details
Main Author:	Howard, Richard Henry
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1964.
Series:	Circular (Illinois State Geological Survey) ; 377.
Subjects:	Geology, Stratigraphic > Silurian. Geology > Illinois > De Witt County. Geology > Illinois > McLean County.

Description
Physical Description:	15 pages : illustrations, maps.
Bibliography:	Bibliography: page 15.