Pennsylvania's mineral heritage. : The commonwealth at the economic crossroads of her industrial development / Pennsylvania Dept. of Internal Affairs. Bureau of Statistics. Topographic and Geologic Survey. The Pennsylvania State College, School of Mineral Industries.
| Corporate Authors: | |
|---|---|
| Language: | English |
| Published: |
Harrisburg :
Commonwealth of Pennsylvania, Department of Internal Affairs,
1944.
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| Subjects: | |
| Physical Description: | xiii, 248 pages : illustrations, maps, diagrams, tables ; 28 cm |
| Format: | Book |
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