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Investigation of the Benjamin Franklin graphite mine (government owned) and the Just graphite mine, Chester County, Pa.
| Author: | Sanford, Robert S. |
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| Additional Authors: | Lamb, F. D. |
| Year: | 1949 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:4530 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4530 |
| Subjects: | Graphite industry--Pennsylvania--Chester County |
| Graphite--Pennsylvania--Chester County | |
| Link: | https://hdl.handle.net/2027/mdp.39015078535856 |
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