Gaastra, MI Phosphorus Mines
Phosphorus Mines in Gaastra, Michigan
Mine | Owner | Land Status | Work Type | Minerals |
---|---|---|---|---|
Sherwood Mine | Inland Steel Corp. | Municipality | Underground | Phosphorus |
Mine | Owner | Land Status | Work Type | Minerals |
---|---|---|---|---|
Sherwood Mine | Inland Steel Corp. | Municipality | Underground | Phosphorus |