Properties and uses of shales and clays, south-central Pennsylvania /

Bibliographic Details
Main Author:	O'Neill, Bernard J., 1920-
Other Authors:	Barnes, John Henry, 1946-
Format:	Book
Language:	English
Published:	Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey : May be purchased from State Book Store, 1981.
Series:	Mineral resource report ; 79.
Subjects:	Shale > Pennsylvania. Clay > Pennsylvania.

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