# Relationship history for MSHA mine 4405698

Current hierarchy: **Justus Timothy → T J & P E 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: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Nicewonder J D - Don Nicewonder Et Al → No 3; 1980-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Justus Timothy Et Al → No 3; 1981-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** S G Coal Company Inc → No 3; 1981-07-01 to 1982-02-24; source msha-controller-operator-history
- **controller_controls_operator:** Nicewonder J D - Don Nicewonder Et Al → S G Coal Company Inc; 1981-07-01 to 1982-02-24; source msha-controller-operator-history
- **operator_operates_mine:** T J & P E Coal Company Inc → No 3; 1982-02-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justus Timothy Et Al → T J & P E Coal Company Inc; 1982-02-25 to current/open; source msha-controller-operator-history