# Relationship history for MSHA mine 1501966

Current hierarchy: **Charles  Hunter → Glory Bee Coal Company Inc → Glory Bee Coal Co Inc Glory Bee Min**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Eastover Mining Company → Glory Bee Coal Co Inc Glory Bee Min; 1950-01-01 to 1982-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Duke Power Company → Glory Bee Coal Co Inc Glory Bee Min; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Duke Power Company → Eastover Mining Company; 1950-01-01 to 1982-04-22; source msha-controller-operator-history
- **controller_controls_mine:** Charles  Hunter → Glory Bee Coal Co Inc Glory Bee Min; 1981-12-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Glory Bee Coal Company Inc → Glory Bee Coal Co Inc Glory Bee Min; 1982-04-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Hunter → Glory Bee Coal Company Inc; 1982-04-23 to current/open; source msha-controller-operator-history