# Relationship history for MSHA mine 4405793

Current hierarchy: **Nicewonder J D - Don Nicewonder → S G Coal Company Inc → No 5**

- 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:** Nicewonder J D - Don Nicewonder Et Al → No 5; 1980-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Justus Timothy Et Al → No 5; 1981-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S G Coal Company Inc → No 5; 1981-10-01 to 1982-01-26; source msha-controller-operator-history
- **controller_controls_operator:** Nicewonder J D - Don Nicewonder Et Al → S G Coal Company Inc; 1981-10-01 to 1982-01-26; source msha-controller-operator-history
- **operator_operates_mine:** T J & P E Coal Company Inc → No 5; 1982-01-27 to 1984-04-15; source msha-controller-operator-history
- **controller_controls_operator:** Justus Timothy Et Al → T J & P E Coal Company Inc; 1982-01-27 to 1984-04-15; source msha-controller-operator-history
- **operator_operates_mine:** P M C Coal Company Inc → No 5; 1984-04-16 to 1988-10-02; source msha-controller-operator-history
- **controller_controls_mine:** Terry L  Matney → No 5; 1984-04-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Terry L  Matney → P M C Coal Company Inc; 1984-04-16 to 1988-10-02; source msha-controller-operator-history
- **operator_operates_mine:** J M C Coal Company Inc → No 5; 1988-10-03 to 1988-11-15; source msha-controller-operator-history
- **controller_controls_mine:** James P  Lowe → No 5; 1988-10-03 to 1988-11-15; source msha-controller-operator-history
- **controller_controls_operator:** James P  Lowe → J M C Coal Company Inc; 1988-10-03 to 1988-11-15; source msha-controller-operator-history
- **operator_operates_mine:** J M C Coal Company Inc → No 5; 1988-11-16 to 1989-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Branham Mackie → No 5; 1988-11-16 to 1989-05-01; source msha-controller-operator-history
- **controller_controls_operator:** Branham Mackie → J M C Coal Company Inc; 1988-11-16 to 1989-05-01; source msha-controller-operator-history
- **operator_operates_mine:** C & G Coal Company Inc → No 5; 1989-05-02 to 1989-06-27; source msha-controller-operator-history
- **controller_controls_mine:** Copley Ronald → No 5; 1989-05-02 to 1989-06-27; source msha-controller-operator-history
- **controller_controls_operator:** Copley Ronald → C & G Coal Company Inc; 1989-05-02 to 1989-06-27; source msha-controller-operator-history
- **operator_operates_mine:** G & G Coal Company Inc → No 5; 1989-06-28 to 1989-07-19; source msha-controller-operator-history
- **controller_controls_mine:** Goodman Ronald → No 5; 1989-06-28 to 1989-07-19; source msha-controller-operator-history
- **controller_controls_operator:** Goodman Ronald → G & G Coal Company Inc; 1989-06-28 to 1989-07-19; source msha-controller-operator-history
- **operator_operates_mine:** S G Coal Company Inc → No 5; 1989-07-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Nicewonder J D - Don Nicewonder Et Al → S G Coal Company Inc; 1989-07-20 to current/open; source msha-controller-operator-history