# Relationship history for MSHA mine 3605199

Current hierarchy: **Stanford Energy → Brookport Resources Company → Redco Tipple No 2**

- 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:** Terry Coal Sales Inc → Redco Tipple No 2; 1974-09-01 to 1993-05-23; source msha-controller-operator-history
- **controller_controls_mine:** Reddinger Terry Et Al → Redco Tipple No 2; 1974-09-01 to 1993-05-23; source msha-controller-operator-history
- **controller_controls_operator:** Reddinger Terry Et Al → Terry Coal Sales Inc; 1974-09-01 to 1993-05-23; source msha-controller-operator-history
- **operator_operates_mine:** Brookport Resources Company → Redco Tipple No 2; 1993-05-24 to 1997-10-01; source msha-controller-operator-history
- **controller_controls_mine:** Arthur T Walker Estate Corp → Redco Tipple No 2; 1993-05-24 to 1997-10-01; source msha-controller-operator-history
- **controller_controls_operator:** Arthur T Walker Estate Corp → Brookport Resources Company; 1993-05-24 to 1997-10-01; source msha-controller-operator-history
- **operator_operates_mine:** Brookport Resources Company → Redco Tipple No 2; 1997-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Stanford Energy → Redco Tipple No 2; 1997-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanford Energy → Brookport Resources Company; 1997-10-02 to current/open; source msha-controller-operator-history