# Relationship history for MSHA mine 1513697

Current hierarchy: **Hamby Charles T → J & C 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

- **controller_controls_mine:** Nick A  Cooley et al → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Arriva Coal Company Inc → No 1; 1982-09-01 to 1983-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Tackett Sterling & Michael Vance → No 1; 1982-09-01 to 1983-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Tackett Sterling & Michael Vance → Arriva Coal Company Inc; 1982-09-01 to 1983-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky Elkhorn Coals Inc → No 1; 1983-04-12 to 1984-08-07; source msha-controller-operator-history
- **controller_controls_operator:** Nick A  Cooley et al → Kentucky Elkhorn Coals Inc; 1983-04-12 to 1984-08-07; source msha-controller-operator-history
- **operator_operates_mine:** Remington Coal Company → No 1; 1984-08-08 to 1986-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Miller Booker & David R Justice → No 1; 1984-08-08 to 1986-01-29; source msha-controller-operator-history
- **controller_controls_operator:** Miller Booker & David R Justice → Remington Coal Company; 1984-08-08 to 1986-01-29; source msha-controller-operator-history
- **operator_operates_mine:** D J & L Coal Company Inc → No 1; 1986-01-30 to 1988-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Short Johnnie → No 1; 1986-01-30 to 1988-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Short Johnnie → D J & L Coal Company Inc; 1986-01-30 to 1988-02-02; source msha-controller-operator-history
- **operator_operates_mine:** D D & J Coal Company → No 1; 1988-02-03 to 1988-11-15; source msha-controller-operator-history
- **controller_controls_mine:** Hall Richard-Jack Fife & Denver Compton Jr → No 1; 1988-02-03 to 1988-11-15; source msha-controller-operator-history
- **controller_controls_operator:** Hall Richard-Jack Fife & Denver Compton Jr → D D & J Coal Company; 1988-02-03 to 1988-11-15; source msha-controller-operator-history
- **operator_operates_mine:** Otter Creek Mining Company Inc → No 1; 1988-11-16 to 1989-04-18; source msha-controller-operator-history
- **controller_controls_mine:** Moore Claude → No 1; 1988-11-16 to 1989-04-18; source msha-controller-operator-history
- **controller_controls_operator:** Moore Claude → Otter Creek Mining Company Inc; 1988-11-16 to 1989-04-18; source msha-controller-operator-history
- **operator_operates_mine:** J & C Coal Company Inc → No 1; 1989-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hamby Charles T Et Al → No 1; 1989-04-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hamby Charles T Et Al → J & C Coal Company Inc; 1989-04-19 to current/open; source msha-controller-operator-history