Pittsburgh quadrangle : geology and mineral resources /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Harrisburg :
Department of Internal Affairs, Topographic and Geological Surver,
[1929]
|
| Series: | Pennsylvania Geological Survey,
Topographic and geologic atlas of Pennsylvania ; no. 27 |
| Subjects: |
Search Result 1
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by Johnson, Meredith E., 1897-
Published 1929
Published 1929
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Government Document
Book
Search Result 2