Johnson Hill Mine
Past ProducerIronSurface-UndergroundUSGS MRDS
Location
| State | New Jersey |
| County | Morris |
| Coordinates | 40.88940, -74.58399 |
Commodities
| Primary | Iron |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| Data Source | USGS MRDS |
| Source ID | 10247165 |