North Liberty, IA Mines
Mines in North Liberty, Iowa
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Old State Quarry | U.S. Army Corps Of Engineers (Iowa Geological Preserve) | State | Stone, Dimension | |
| Wagner Pit | Sand and Gravel | |||
| Wray Quarry | River Products | Stone, Crushed |