# Relationship history for MSHA mine 1509646

Current hierarchy: **Rose Avery → Raegan Energy Inc → 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Webb Elmer → No 1; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Webb Coal Company Inc → No 1; 1976-04-01 to 1976-07-26; source msha-controller-operator-history
- **controller_controls_operator:** Webb Elmer → Webb Coal Company Inc; 1976-04-01 to 1976-07-26; source msha-controller-operator-history
- **operator_operates_mine:** B D & D Coal Company → No 1; 1976-07-27 to 1977-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Wellman Bennett → No 1; 1976-07-27 to 1977-02-10; source msha-controller-operator-history
- **controller_controls_operator:** Wellman Bennett → B D & D Coal Company; 1976-07-27 to 1977-02-10; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner Gratho L & Randall → No 1; 1976-11-04 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Triple S Coal Company → No 1; 1977-02-11 to 1985-06-06; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Gratho L & Randall → Triple S Coal Company; 1977-02-11 to 1985-06-06; source msha-controller-operator-history
- **controller_controls_mine:** Lester James E → No 1; 1984-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bobby Gene  Yates → No 1; 1984-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bless Coal Company Inc → No 1; 1985-06-07 to 1986-06-25; source msha-controller-operator-history
- **controller_controls_operator:** Bobby Gene  Yates → Bless Coal Company Inc; 1985-06-07 to 1986-06-25; source msha-controller-operator-history
- **operator_operates_mine:** New Leaf Coal Company Inc → No 1; 1986-06-26 to 1986-10-21; source msha-controller-operator-history
- **controller_controls_operator:** Lester James E → New Leaf Coal Company Inc; 1986-06-26 to 1986-10-21; source msha-controller-operator-history
- **operator_operates_mine:** Raegan Energy Inc → No 1; 1986-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rose Avery → No 1; 1986-10-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rose Avery → Raegan Energy Inc; 1986-10-22 to current/open; source msha-controller-operator-history