# Relationship history for MSHA mine 4405907

Current hierarchy: **Hagerman Elbert → Jess Fork Coal Company Inc → Mine 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

- **controller_controls_mine:** Prater Betty → Mine No 2; 1981-03-25 to 1988-03-27; source msha-controller-operator-history
- **operator_operates_mine:** Four-O-Mining Company Inc → Mine No 2; 1982-06-01 to 1984-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Ricky L  Owens → Mine No 2; 1982-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ricky L  Owens → Four-O-Mining Company Inc; 1982-06-01 to 1984-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Mullins Harold → Mine No 2; 1982-08-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Ebbco Mining Inc → Mine No 2; 1984-02-03 to 1984-04-17; source msha-controller-operator-history
- **controller_controls_mine:** Johnson Ersel → Mine No 2; 1984-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnson Ersel → Ebbco Mining Inc; 1984-02-03 to 1984-04-17; source msha-controller-operator-history
- **operator_operates_mine:** H & B Coal Company Inc → Mine No 2; 1984-04-18 to 1985-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Mullins Harold → H & B Coal Company Inc; 1984-04-18 to 1985-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Stacy Monroe → Mine No 2; 1984-06-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D D & M Mining Inc → Mine No 2; 1985-08-12 to 1986-07-15; source msha-controller-operator-history
- **controller_controls_operator:** Stacy Monroe → D D & M Mining Inc; 1985-08-12 to 1986-07-15; source msha-controller-operator-history
- **operator_operates_mine:** Mack Coal Corp → Mine No 2; 1986-07-16 to 1988-03-27; source msha-controller-operator-history
- **controller_controls_operator:** Prater Betty → Mack Coal Corp; 1986-07-16 to 1988-03-27; source msha-controller-operator-history
- **controller_controls_mine:** Stacy Danny → Mine No 2; 1986-12-02 to 1990-08-01; source msha-controller-operator-history
- **operator_operates_mine:** Silver Bullet Coal Company Inc → Mine No 2; 1988-03-28 to 1990-08-01; source msha-controller-operator-history
- **controller_controls_operator:** Stacy Danny → Silver Bullet Coal Company Inc; 1988-03-28 to 1990-08-01; source msha-controller-operator-history
- **controller_controls_mine:** Hagerman Elbert → Mine No 2; 1989-12-07 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Jess Fork Coal Company Inc → Mine No 2; 1990-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hagerman Elbert → Jess Fork Coal Company Inc; 1990-08-02 to current/open; source msha-controller-operator-history