# #4 Hollow Surface
> **Coal** mine · MSHA ID `1509377` · Surface · **Abandoned**
## Operator
- **Controller (parent):** Texas Pioneer Coal Co & Kentucky Diamond Energies
- **Operator:** Kentucky Diamond Energies Company Inc
- **Employees:** —
- **Commodity:** Coal
## Location
- **State:** KY · Johnson Co.
## Safety record
- **Total accidents/injuries:** 0
- **Fatalities:** 0
- **Total days lost:** 0
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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*