# O-N Minerals - Calcite Operation
> **Metal/Non-metal** mine · MSHA ID `2000062` · Surface · **Active**
## Operator
- **Controller (parent):** Carmeuse Holding SA
- **Operator:** O-N Minerals (Michigan) Company
- **Employees:** 130
- **Commodity:** Stone
## Location
- **State:** MI · Presque Isle Co.
- **Coordinates:** 45.415556, -83.8025
## Safety record
- **Total accidents/injuries:** 199
- **Fatalities:** 0
- **Total days lost:** 3284
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*