Koopman Pit
Past ProducerSand and Gravel, ConstructionSurfaceUSGS MRDS
Location
| State | Iowa |
| County | Dubuque |
| Coordinates | 42.41031, -90.92793 |
Commodities
| Primary | Sand and Gravel, Construction |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10290683 |