Spar Mountain sandstone in Cooks Mills area, Coles and Douglas Counties, Illinois.

Bibliographic Details
Main Author:	Whiting, Lester Leroy
Format:	Book
Language:	English
Published:	Urbana : Illinois State Geological Survey, 1959.
Series:	Circular (Illinois State Geological Survey) ; 267.
Subjects:	Sandstone. Geology > Illinois > Coles County. Geology > Illinois > Douglas County.

Description
Physical Description:	24 pages : illustrations, maps.
Bibliography:	Bibliography: pages 23-24.