Porterfield Pit
ProducerSilicaSurfaceUSGS MRDS
Location
| State | Wisconsin |
| County | Marinette |
| Coordinates | 45.13330, -87.80002 |
Commodities
| Primary | Silica |
Mine Details
| Status | Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10302566 |
| State | Wisconsin |
| County | Marinette |
| Coordinates | 45.13330, -87.80002 |
| Primary | Silica |
| Status | Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10302566 |