Presque Isle County, Michigan — Mines
15 mines | 1,702 violations
| Mine | Type | Status | Violations | Penalties |
|---|---|---|---|---|
| O-N Minerals - Calcite Operation | Surface | Active | 967 | $248K |
| Amrize Presque Isle Aggregates | Surface | Active | 668 | $188K |
| Nordberg Plant | Surface | Intermittent | 49 | $6K |
| Hincka Pit | Surface | Intermittent | 9 | $1K |
| Onaway | Surface | Abandoned | 8 | $2K |
| RT Sand & Gravel | Surface | Intermittent | 1 | $151 |
| CEC Impactor #1 | Surface | Abandoned | 0 | $0 |