Upper Tunnel Deposit
Past ProducerFire Clay (Refractory), IronUndergroundUSGS MRDS
Location
| State | Maryland |
| County | Allegany |
| Coordinates | 39.71723, -78.91113 |
Commodities
| Primary | Fire Clay (Refractory), Iron |
Mine Details
| Status | Past Producer |
| Type | Underground |
| Data Source | USGS MRDS |
| Source ID | 10121598 |