Niobrara County, WY Copper Mines
Copper Mines in Niobrara County, WY
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Silver Cliff Mine | Joel L. Starnes | Copper | ||
| Unknown | Private | Copper | ||
| Unnamed Prospect | Copper |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Silver Cliff Mine | Joel L. Starnes | Copper | ||
| Unknown | Private | Copper | ||
| Unnamed Prospect | Copper |