Winthrop, ME Mines
Mines in Winthrop, Maine
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Blue Rock Industries | Private | Sand and Gravel | ||
| Golden Granite Quarry | Private | Stone | ||
| H E Sargent Inc | Private | Sand and Gravel | ||
| Ilmenite Occurrence | Private | Titanium | ||
| Leeds Sand and Gravel | Blue Rock Industries | Private | Sand and Gravel | |
| Monmouth Pit | Town Of Monmouth | Private | Sand and Gravel | |
| Pit Number 1 | H. E. Sargent, Inc. | Private | Sand and Gravel | |
| Unnamed Quarry | Private | Stone, Crushed |