Topping Mine
Past ProducerSurface-UndergroundUSGS MRDS
Location
| State | New Jersey |
| County | Morris |
| Coordinates | 40.78560, -74.70399 |
Commodities
| Tertiary | Iron |
Mine Details
| Status | Past Producer |
| Type | Surface-Underground |
| First Production | 1874 |
| Discovery Year | 1873 |
| Data Source | USGS MRDS |
| Source ID | 10223145 |