# Relationship history for MSHA mine 0101442

Current hierarchy: **Pyro Energy Corp → King Coal Company Inc → King Coal Pit #54**

- 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:** Raines Charles H → King Coal Pit #54; 1975-06-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Falliston Coal Company Inc → King Coal Pit #54; 1976-01-01 to 1976-05-12; source msha-controller-operator-history
- **controller_controls_operator:** Raines Charles H → Falliston Coal Company Inc; 1976-01-01 to 1976-05-12; source msha-controller-operator-history
- **operator_operates_mine:** King Coal Company Inc → King Coal Pit #54; 1976-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pyro Energy Corp → King Coal Pit #54; 1976-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pyro Energy Corp → King Coal Company Inc; 1976-05-13 to current/open; source msha-controller-operator-history