# Calvert Mine
> **Coal** mine · MSHA ID `4103428` · Surface · **Active**
## Operator
- **Controller (parent):** ITOCHU International Inc; I Power Investment Inc
- **Operator:** NAES Corporation
- **Employees:** 92
- **Commodity:** Coal
## Location
- **State:** TX · Robertson Co.
- **Coordinates:** 31.101111, -96.665833
## Safety record
- **Total accidents/injuries:** 18
- **Fatalities:** 0
- **Total days lost:** 41
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*