# Relationship history for MSHA mine 4405925

Current hierarchy: **Mullins White Jr → Mullins & Skeens 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Coal Power Inc → No 1; 1982-08-01 to 1985-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Burley Et Al → No 1; 1982-08-01 to 1985-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Burley Et Al → Coal Power Inc; 1982-08-01 to 1985-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Mullins & Skeens Coal Company Inc → No 1; 1985-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Mullins White Jr → No 1; 1985-07-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mullins White Jr → Mullins & Skeens Coal Company Inc; 1985-07-08 to current/open; source msha-controller-operator-history