Big Four Mine
ProducerPhosphorus-PhosphatesSurfaceUSGS MRDS
Location
| State | Florida |
| County | Hillsborough |
| Coordinates | 27.74421, -82.07796 |
Commodities
| Primary | Phosphorus-Phosphates |
| Tertiary | Aluminum, Calcium, Fluorine-Fluorite, Iron, Magnesite |
Mine Details
| Status | Producer |
| Type | Surface |
| Deposit Type | Chemical Sediment, Marine |
| First Production | 1977 |
| Discovery Year | 1910 |
| Data Source | USGS MRDS |
| Source ID | 10215962 |