Geology of the Pittsburgh area /

Bibliographic Details
Corporate Author:	Pittsburgh Geological Society
Other Authors:	Wagner, Walter Richard, 1928-1974
Format:	Book
Language:	English
Published:	Harrisburg, [publisher not identified] ; 1970.
Series:	Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ; G59.
Subjects:	Geology > Pennsylvania > Allegheny County.

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