# Relationship history for MSHA mine 4405057

Current hierarchy: **Rose Avery → Raegan Energy Inc → Mine 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Elkins Kermit → Mine No 1; 1978-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Delight Coal Corp → Mine No 1; 1978-06-01 to 1987-02-08; source msha-controller-operator-history
- **controller_controls_operator:** Elkins Kermit → Delight Coal Corp; 1978-06-01 to 1987-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Rose Avery → Mine No 1; 1986-10-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Aid Energy Inc → Mine No 1; 1987-02-09 to 1987-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Dunsmore Loy (Loyd) Et Al → Mine No 1; 1987-02-09 to 1987-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Dunsmore Loy (Loyd) Et Al → Aid Energy Inc; 1987-02-09 to 1987-08-11; source msha-controller-operator-history
- **operator_operates_mine:** Raegan Energy Inc → Mine No 1; 1987-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rose Avery → Raegan Energy Inc; 1987-08-12 to current/open; source msha-controller-operator-history