Grayling, MI Mines
Mines in Grayling, Michigan
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Jack Milliken, Inc. | Private | Sand and Gravel | ||
| Mackinaw Gravel Pit | Mackinac Gravel Co. | Private | Sand and Gravel | |
| Unnamed Clay Prospect | Private | Clays |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Jack Milliken, Inc. | Private | Sand and Gravel | ||
| Mackinaw Gravel Pit | Mackinac Gravel Co. | Private | Sand and Gravel | |
| Unnamed Clay Prospect | Private | Clays |