Fifty Six, AR Phosphorus Mines
Phosphorus Mines in Fifty Six, Arkansas
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Unk | Standard Mining Co. | National Forest | Phosphorus |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Unk | Standard Mining Co. | National Forest | Phosphorus |