# Relationship history for MSHA mine 4002198

Current hierarchy: **Lindsay Paris Mac → Laurel Fork Mining Company → #4**

- 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:** Lowe Vaughn → #4; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Roger E  West → #4; 1974-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Buffalo Coal Company Inc → #4; 1977-03-01 to 1978-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Lowe Vaughn → Buffalo Coal Company Inc; 1977-03-01 to 1978-03-31; source msha-controller-operator-history
- **operator_operates_mine:** New River Coal Company Inc → #4; 1978-04-01 to 1980-05-26; source msha-controller-operator-history
- **controller_controls_operator:** Roger E  West → New River Coal Company Inc; 1978-04-01 to 1980-05-26; source msha-controller-operator-history
- **controller_controls_mine:** Donald C  Seiber et al → #4; 1978-08-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** A & L Coal Company Inc → #4; 1980-05-27 to 1987-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Daugherty Leona Et Al → #4; 1980-05-27 to 1987-06-09; source msha-controller-operator-history
- **controller_controls_operator:** Daugherty Leona Et Al → A & L Coal Company Inc; 1980-05-27 to 1987-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Tri-Dean Mining Inc → #4; 1987-06-10 to 1991-03-03; source msha-controller-operator-history
- **controller_controls_operator:** Donald C  Seiber et al → Tri-Dean Mining Inc; 1987-06-10 to 1991-03-03; source msha-controller-operator-history
- **controller_controls_mine:** Lindsay Paris Mac → #4; 1988-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Laurel Fork Mining Company → #4; 1991-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lindsay Paris Mac → Laurel Fork Mining Company; 1991-03-04 to current/open; source msha-controller-operator-history