| Lat / long: | 43.83, -85.35994 |
| Primary: | Potassium |
| Gangue: | Potash, Halite |
| Operation type: | Underground |
| Production size: | Medium |
| Development status: | Producer |
| Structure: | Michigan basin |
| MRDS | LW00020 |
| DEP | 10310020 |
| Reference | PERSONAL COMMUNICATIONS WITH GENERAL MANAGER OF IMC POTASH HERSEY, INC, ROBB AULTMAN, SEPTEMBER 5, 2001. |
| Reporter | Anderson, Arlene (M. Gere) |