Siliceous materials of extreme southern Illinois : silica, novaculite, ganister, calico rock, and chert gravels.

Bibliographic Details

Main Author:	Lamar, J. E. (John Everts), 1897-1979
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1953.
Series:	Report of investigations (Illinois State Geological Survey) ; no. 166.
Subjects:	Silica.