Calhoun Mine
Past ProducerSurface-UndergroundUSGS MRDS
Location
| State | Maryland |
| County | Baltimore |
| Coordinates | 39.43832, -76.82527 |
Commodities
| Tertiary | Chromium |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| Data Source | USGS MRDS |
| Source ID | 10145365 |