# Columbus Limestone
> **Metal/Non-metal** mine · MSHA ID `3304657` · Surface · **Active**
## Operator
- **Controller (parent):** CRH PLC
- **Operator:** Shelly Materials Inc
- **Employees:** 60
- **Commodity:** Stone
## Location
- **State:** OH · Franklin Co.
- **Coordinates:** 39.895833, -83.021389
## Safety record
- **Total accidents/injuries:** 23
- **Fatalities:** 0
- **Total days lost:** 466
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*