Report of the Board of Commissioners of the Second Geological Survey of Pennsylvania
| Title | Report of the Board of Commissioners of the Second Geological Survey of Pennsylvania PDF eBook |
| Author | Pennsylvania. Board of Commissioners for the Second Geological Survey |
| Publisher | |
| Pages | 80 |
| Release | 1874 |
| Genre | Coal mines and mining |
| ISBN |
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Proceedings of the Academy of Natural Sciences of Philadelphia
| Title | Proceedings of the Academy of Natural Sciences of Philadelphia PDF eBook |
| Author | Academy of Natural Sciences of Philadelphia |
| Publisher | |
| Pages | 402 |
| Release | 1884 |
| Genre | Electronic journals |
| ISBN |
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"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.
Annual Reports
| Title | Annual Reports PDF eBook |
| Author | Academy of Natural Sciences of Philadelphia |
| Publisher | |
| Pages | 572 |
| Release | 1877 |
| Genre | |
| ISBN |
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Proceedings of the Academy of Natural Sciences of Philadelphia
| Title | Proceedings of the Academy of Natural Sciences of Philadelphia PDF eBook |
| Author | |
| Publisher | |
| Pages | 400 |
| Release | 1884 |
| Genre | Biology |
| ISBN |
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Proceedings of the Engineers' Club of Philadelphia
| Title | Proceedings of the Engineers' Club of Philadelphia PDF eBook |
| Author | Engineers' Club of Philadelphia |
| Publisher | |
| Pages | 550 |
| Release | 1886 |
| Genre | Engineering |
| ISBN |
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Proceedings of the Engineers' Club of Philadelphia
| Title | Proceedings of the Engineers' Club of Philadelphia PDF eBook |
| Author | |
| Publisher | |
| Pages | 518 |
| Release | 1886 |
| Genre | Engineering |
| ISBN |
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Report of the Board of Commissioners ...
| Title | Report of the Board of Commissioners ... PDF eBook |
| Author | Geological Survey of Pennsylvania |
| Publisher | |
| Pages | |
| Release | 1883 |
| Genre | Geology |
| ISBN |
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