Marathon, FL Mines
Mines in Marathon, Florida
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Grassy Key Pit | Cothron, Inc., Alonzo | Private | Stone, Crushed |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Grassy Key Pit | Cothron, Inc., Alonzo | Private | Stone, Crushed |