Coal resources of Allegheny County, Pennsylvania /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: | Harrisburg : Pennsylvania Geological Survey, 1985- |
| Series: | Mineral resource report ;
89. |
| Subjects: |
Skillman Lower Level
| Call Number: |
557.48 P44bmno. 89 |
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