| Lat / long: | 42.70831, -85.93746 |
| Primary: | Clay |
| Operation type: | Surface |
| Development status: | Past Producer |
| MAS | 260810053 |
| DEP | 10243690 |
| Reference | {Deposit:: THE CLAY IS SHALE AND OVERLIES GYPSUM}{Deposit:: BROWN,GEORGE,G,MICH GEOL SURV PUBL 36 1924 PPS 302-304} |
| Reporter | Eastern Field Operations Center (EFOC) |