Polk County, Nebraska — Mines
9 mines | 70 violations
| Mine | Type | Status | Violations | Penalties |
|---|---|---|---|---|
| Johnson3 | Surface | Intermittent | 33 | $8K |
| Plant 1 | Surface | Abandoned | 32 | $4K |
| Plant #2 | Surface | Abandoned | 4 | $273 |
| Baker Pit & Plant | Surface | Abandoned | 1 | $100 |
| CYZA BROTHERS PIT AND PLANT | Surface | Abandoned | 0 | $0 |