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Pennsylvania glaciation, first phase; materials for a discussion of the attenuated border of the moraine described in volume Z of the second Geological survey of Pennsylvania, by Edward Higginson Williams, jr.
Historical Society of Pennsylvania - Closed Stacks Vza*.11
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- Format:
- Book
- Author/Creator:
- Williams, Edward Higginson, 1849-1933.
- Language:
- English
- Subjects (All):
- Glacial epoch.
- Geology--Pennsylvania.
- Geology.
- Physical Description:
- x, 101 p. incl. front. (map) illus. 23 cm.
- Place of Publication:
- Woodstock, Vt., 1917.
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