Keystone Mine Area
Past ProducerUndergroundUSGS MRDS
Location
| State | Pennsylvania |
| County | Blair |
| Coordinates | 40.64891, -78.21251 |
Commodities
| Tertiary | Zinc, Limestone, General |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10208191 |