Backbone Quarries
Past ProducerStone, Crushed/BrokenSurfaceUSGS MRDS
Location
| State | Iowa |
| County | Madison |
| Coordinates | 41.29581, -94.07383 |
Commodities
| Primary | Stone, Crushed/Broken |
Mine Details
| Status | Past Producer |
| Type | Surface |
| Data Source | USGS MRDS |
| Source ID | 10218670 |