# Relationship history for MSHA mine 4604800

Current hierarchy: **Frush James W Jr → Callison Creek Coal Company → Strouds Creek Tipple**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** H E L Coals Inc → Strouds Creek Tipple; 1975-09-15 to 1980-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Haynes Lester J → Strouds Creek Tipple; 1975-09-15 to 1980-03-24; source msha-controller-operator-history
- **controller_controls_operator:** Haynes Lester J → H E L Coals Inc; 1975-09-15 to 1980-03-24; source msha-controller-operator-history
- **controller_controls_mine:** Invesco International Corp → Strouds Creek Tipple; 1976-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Invesco International Corp Of Alabama → Strouds Creek Tipple; 1980-03-25 to 1985-05-09; source msha-controller-operator-history
- **controller_controls_operator:** Invesco International Corp → Invesco International Corp Of Alabama; 1980-03-25 to 1985-05-09; source msha-controller-operator-history
- **operator_operates_mine:** Callison Creek Coal Company → Strouds Creek Tipple; 1985-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Frush James W Jr → Strouds Creek Tipple; 1985-05-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Frush James W Jr → Callison Creek Coal Company; 1985-05-10 to current/open; source msha-controller-operator-history