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| Type | Company |
| Location | United States (North America) |
| Industry | Economic Sectors, General |
| Holdings | Newspaper clippings: 1957-1985 Annual reports: 1966,1967 |
| Signature | E15 D 98 |
| includes | Duval Sulphur & Potash Co |
| URI | https://pm20.zbw.eu/folder/co/056426 |
| ID | co/056426 |