John Wallen Quarry
Past ProducerFeldsparSurfaceUSGS MRDS
Location
| State | Maryland |
| County | Carroll |
| Coordinates | 39.35833, -76.90247 |
Commodities
| Primary | Feldspar |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10145853 |
| State | Maryland |
| County | Carroll |
| Coordinates | 39.35833, -76.90247 |
| Primary | Feldspar |
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10145853 |