# Relationship history for MSHA mine 1510029

Current hierarchy: **Mc Peek Jerry → Coal Branch Coal Company Inc → No 2 Mine (D)**

- 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:** Mc Peek Jerry → No 2 Mine (D); 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Coal Branch Coal Company Inc → No 2 Mine (D); 1976-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mc Peek Jerry → Coal Branch Coal Company Inc; 1976-10-14 to current/open; source msha-controller-operator-history