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Pennsylvania caves by Ralph W. Stone
Historical Society of Pennsylvania - Closed Stacks Vza.25
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- Format:
- Book
- Author/Creator:
- Stone, Ralph W. (Ralph Walter), 1876-1964.
- Series:
- Pennsylvania. Geological Survey. (4th, 1919- ). Bulletin ; G3
- Bulletin ; (4th, 1919- ). G3
- Language:
- English
- Subjects (All):
- Caves--Pennsylvania.
- Caves.
- Paleontology--Pennsylvania.
- Paleontology.
- Physical Description:
- 63 p. : ill., maps ; 23 cm.
- Place of Publication:
- Harrisburg : Dept. of internal affairs, Topographic and geologic survey, 1930.
- Notes:
- Bibliographical foot-notes.
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