Sand and gravel resources of northeastern Illinois /

Bibliographic Details
Main Author:	Ekblaw, George Elbert, 1895-
Other Authors:	Lamar, J. E. (John Everts), 1897-1979
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1964.
Series:	Circular (Illinois State Geological Survey) ; 359.
Subjects:	Sand > Illinois. Gravel > Illinois.

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