# Relationship history for MSHA mine 1516724

Current hierarchy: **James H  Booth → Eagle Coal Company Inc → 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Bowling Charles D Et Al → No 2; 1978-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Crystal Star Coal Company Inc → No 2; 1989-09-01 to 1989-10-05; source msha-controller-operator-history
- **controller_controls_operator:** Bowling Charles D Et Al → Crystal Star Coal Company Inc; 1989-09-01 to 1989-10-05; source msha-controller-operator-history
- **operator_operates_mine:** Koni Coal Company Inc → No 2; 1989-10-06 to 1990-04-11; source msha-controller-operator-history
- **controller_controls_mine:** Blevins Tony → No 2; 1989-10-06 to 1990-04-11; source msha-controller-operator-history
- **controller_controls_operator:** Blevins Tony → Koni Coal Company Inc; 1989-10-06 to 1990-04-11; source msha-controller-operator-history
- **operator_operates_mine:** Family Ties Mining Company Inc → No 2; 1990-04-12 to 1991-05-14; source msha-controller-operator-history
- **controller_controls_mine:** Harvey Nathan → No 2; 1990-04-12 to 1991-05-14; source msha-controller-operator-history
- **controller_controls_operator:** Harvey Nathan → Family Ties Mining Company Inc; 1990-04-12 to 1991-05-14; source msha-controller-operator-history
- **operator_operates_mine:** Blazer Coal Development Inc → No 2; 1991-05-15 to 1992-01-28; source msha-controller-operator-history
- **controller_controls_mine:** Hiler Bob → No 2; 1991-05-15 to 1992-01-28; source msha-controller-operator-history
- **controller_controls_operator:** Hiler Bob → Blazer Coal Development Inc; 1991-05-15 to 1992-01-28; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → No 2; 1991-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John E  Hall → No 2; 1991-11-04 to 1992-04-13; source msha-controller-operator-history
- **operator_operates_mine:** B & H Mining Inc → No 2; 1992-01-29 to 1992-04-13; source msha-controller-operator-history
- **controller_controls_operator:** John E  Hall → B & H Mining Inc; 1992-01-29 to 1992-04-13; source msha-controller-operator-history
- **operator_operates_mine:** B & H Mining Inc → No 2; 1992-04-14 to 1993-07-25; source msha-controller-operator-history
- **controller_controls_mine:** Ferguson Patricia → No 2; 1992-04-14 to 1993-07-25; source msha-controller-operator-history
- **controller_controls_operator:** Ferguson Patricia → B & H Mining Inc; 1992-04-14 to 1993-07-25; source msha-controller-operator-history
- **operator_operates_mine:** Eagle Coal Company Inc → No 2; 1993-07-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Eagle Coal Company Inc; 1993-07-26 to current/open; source msha-controller-operator-history