# Relationship history for MSHA mine 1514443

Current hierarchy: **Hawkins Edd → J & H Coal Company → Mine No 10**

- 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:** Newsome Donald → Mine No 10; 1976-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hawkins Edd → Mine No 10; 1981-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carter Robert → Mine No 10; 1983-06-16 to 1992-04-29; source msha-controller-operator-history
- **operator_operates_mine:** Sims Branch Coal Company Inc → Mine No 10; 1984-02-01 to 1984-11-04; source msha-controller-operator-history
- **controller_controls_mine:** Tackett Sterling & Michael Vance → Mine No 10; 1984-02-01 to 1984-11-04; source msha-controller-operator-history
- **controller_controls_operator:** Tackett Sterling & Michael Vance → Sims Branch Coal Company Inc; 1984-02-01 to 1984-11-04; source msha-controller-operator-history
- **operator_operates_mine:** Melanie Coal Company Inc → Mine No 10; 1984-11-05 to 1986-05-18; source msha-controller-operator-history
- **controller_controls_operator:** Newsome Donald → Melanie Coal Company Inc; 1984-11-05 to 1986-05-18; source msha-controller-operator-history
- **operator_operates_mine:** C J & S Mining Company Inc → Mine No 10; 1986-05-19 to 1988-10-20; source msha-controller-operator-history
- **controller_controls_mine:** Hughes Curtis → Mine No 10; 1986-05-19 to 1988-10-20; source msha-controller-operator-history
- **controller_controls_operator:** Hughes Curtis → C J & S Mining Company Inc; 1986-05-19 to 1988-10-20; source msha-controller-operator-history
- **operator_operates_mine:** Shannon Coal Company Inc → Mine No 10; 1988-10-21 to 1992-04-29; source msha-controller-operator-history
- **controller_controls_operator:** Carter Robert → Shannon Coal Company Inc; 1988-10-21 to 1992-04-29; source msha-controller-operator-history
- **operator_operates_mine:** T J Coal Company Inc → Mine No 10; 1992-04-30 to 1992-11-22; source msha-controller-operator-history
- **controller_controls_mine:** Newman Berman → Mine No 10; 1992-04-30 to 1992-11-22; source msha-controller-operator-history
- **controller_controls_operator:** Newman Berman → T J Coal Company Inc; 1992-04-30 to 1992-11-22; source msha-controller-operator-history
- **operator_operates_mine:** J & H Coal Company → Mine No 10; 1992-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hawkins Edd → J & H Coal Company; 1992-11-23 to current/open; source msha-controller-operator-history