Alma, MI Mines
Mines in Alma, Michigan
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Roslund Sand and Gravel | Roslund Gravel Co. | Private | Sand and Gravel | |
| St Louis Tile Co Clay Pit | Private | Clays | ||
| Velsicol Chem. Natural Brine Plant | Private | Bromine Calcium Magnesium Sodium |