| Lat / long: | 41.83061, -83.84989 |
| Primary: | Fire Clay (Refractory) |
| Operation type: | Underground |
| Development status: | Producer |
| MAS | 260910018 |
| DEP | 10194387 |
| Reference | BROWN,GEORGE,G,MICH GEOL SURV PUBL 36 1924 PP 309 |
| Reporter | Eastern Field Operations Center (EFOC) |