Rockwood, MI Mines
Mines in Rockwood, Michigan
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| E. Rockwood Glass Sand Exposure | Private | Sand and Gravel | ||
| Ottawa Silica Quarry & Mill | Rockwood Stoneco., Inc | Private | Sand and Gravel | |
| Rockwood Plant | U.S. Silica Company | Silica | ||
| Rockwood Quarry and Mill | Private | Stone, Crushed |