The Caves of western Pennsylvania /

Bibliographic Details
Corporate Author:	National Speleological Society. Mid-Appalachian Region
Other Authors:	White, William B. (William Blaine), 1934-
Format:	Book
Language:	English
Published:	Harrisburg : Pennsylvania Geological Survey, 1976.
Series:	General geology report ; 67.
Subjects:	Caves > Pennsylvania.

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