# Relationship history for MSHA mine 4406269

Current hierarchy: **James  Estep; Edison  Matney → Andy Trent Branch Coal Company Inc → No 3**

- 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:** Elk Creek Coal Corp → No 3; 1985-11-01 to 1987-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Greg → No 3; 1985-11-01 to 1987-12-02; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Greg → Elk Creek Coal Corp; 1985-11-01 to 1987-12-02; source msha-controller-operator-history
- **controller_controls_mine:** Mann Franklin & Haskell Addington → No 3; 1985-11-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edison  Matney et al → No 3; 1986-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B R D Coal Company Inc → No 3; 1987-12-03 to 1988-09-05; source msha-controller-operator-history
- **controller_controls_mine:** Billy Ray  Dotson → No 3; 1987-12-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Billy Ray  Dotson → B R D Coal Company Inc; 1987-12-03 to 1988-09-05; source msha-controller-operator-history
- **operator_operates_mine:** Fountain Blue Coal Company Inc → No 3; 1988-09-06 to 1989-11-21; source msha-controller-operator-history
- **controller_controls_operator:** Mann Franklin & Haskell Addington → Fountain Blue Coal Company Inc; 1988-09-06 to 1989-11-21; source msha-controller-operator-history
- **operator_operates_mine:** Andy Trent Branch Coal Company Inc → No 3; 1989-11-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edison  Matney et al → Andy Trent Branch Coal Company Inc; 1989-11-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James  Estep et al → Andy Trent Branch Coal Company Inc; 1989-11-22 to current/open; source msha-controller-operator-history