Twin Springs Quarry
Past ProducerPhosphorus-PhosphatesUSGS MRDS
Location
| State | Iowa |
| County | Dubuque |
| Coordinates | 42.52029, -90.84985 |
Commodities
| Primary | Phosphorus-Phosphates |
Mine Details
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10082055 |
| State | Iowa |
| County | Dubuque |
| Coordinates | 42.52029, -90.84985 |
| Primary | Phosphorus-Phosphates |
| Status | Past Producer |
| Data Source | USGS MRDS |
| Source ID | 10082055 |