# Relationship history for MSHA mine 1201586

Current hierarchy: **Tedrowe Charles & Leonard Enloe → Coal Power Limited → Miller Pit Strip**

- 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

- **operator_operates_mine:** Coal Power Limited → Miller Pit Strip; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Tedrowe Charles & Leonard Enloe → Miller Pit Strip; 1977-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tedrowe Charles & Leonard Enloe → Coal Power Limited; 1977-05-01 to current/open; source msha-controller-operator-history
