Defender Mine
Past ProducerFluorine-FluoriteUSGS MRDS
Location
| State | Illinois |
| County | Hardin |
| Coordinates | 37.51118, -88.19920 |
Commodities
| Primary | Fluorine-Fluorite |
Mine Details
| Status | Past Producer |
| Last Production | 1923 |
| Data Source | USGS MRDS |
| Source ID | 10106415 |