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The upper Devonian and lower Mississippian of southwestern Pennsylvania by Wilson M. Laird
Historical Society of Pennsylvania - Closed Stacks Vza*.61
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- Format:
- Book
- Author/Creator:
- Laird, Wilson Morrow, 1915-
- Series:
- Pennsylvania. Bureau of Topographic and Geologic Survey. Progress report ; no. 126
- Progress report ; no. 126
- Language:
- English
- Subjects (All):
- Geology--Pennsylvania.
- Geology.
- Geology, Stratigraphic--Devonian.
- Geology, Stratigraphic.
- Geology, Stratigraphic--Mississippian.
- Physical Description:
- 23 p. : tables, ill. ; 23 cm.
- Place of Publication:
- [Harrisburg, 1941]
- Notes:
- At head of title: ... Commonwealth of Pennsylvania. Dept. of internal affairs ... Topographic and geologic survey.
- "Literature survey": p. 2-4.
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