# Relationship history for MSHA mine 4405543

Current hierarchy: **Cowan James D → Tripple C Coal Company Inc → No 1**

- 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

- **controller_controls_mine:** Coleman Jeffery → No 1; 1978-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Spotlight Coal Company Inc → No 1; 1980-11-01 to 1981-11-18; source msha-controller-operator-history
- **controller_controls_operator:** Coleman Jeffery → Spotlight Coal Company Inc; 1980-11-01 to 1981-11-18; source msha-controller-operator-history
- **operator_operates_mine:** Tripple C Coal Company Inc → No 1; 1981-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Cowan James D → No 1; 1981-11-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cowan James D → Tripple C Coal Company Inc; 1981-11-19 to current/open; source msha-controller-operator-history