# Relationship history for MSHA mine 4605265

Current hierarchy: **Philpott Edward Leigh → Coal King Corp → Matthew Meade**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Philpott Edward Leigh → Matthew Meade; 1976-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Allied Pocahontas Coal Company Inc → Matthew Meade; 1976-09-01 to 1977-05-25; source msha-controller-operator-history
- **controller_controls_mine:** Calvert J E → Matthew Meade; 1976-09-01 to 1977-05-25; source msha-controller-operator-history
- **controller_controls_operator:** Calvert J E → Allied Pocahontas Coal Company Inc; 1976-09-01 to 1977-05-25; source msha-controller-operator-history
- **operator_operates_mine:** Coal King Corp → Matthew Meade; 1977-05-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Philpott Edward Leigh → Coal King Corp; 1977-05-26 to current/open; source msha-controller-operator-history