Pennsylvania caves /

Bibliographic Details
Main Author:	Stone, Ralph W. (Ralph Walter), 1876-1964
Other Authors:	Barnsley, Edward Roberts, 1906-, Hickok, W. O. (William Orville), 1905-, Mohr, Charles E.
Format:	Book
Language:	English
Published:	Harrisburg : Department of Internal Affairs, Topographic and Geologic Survey, 1932.
Edition:	Second edition.
Series:	Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ; G3.
Subjects:	Caves > Pennsylvania. Paleontology > Pennsylvania.

Description
Physical Description:	iv, 143 pages : including illustrations, maps, diagrams ; 24 cm.