# Relationship history for MSHA mine 1513961

Current hierarchy: **Hunter Caner → C & H Coal Company Inc → No 36**

- 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:** Hunter Caner → No 36; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kiser Jimmy → No 36; 1974-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kiser Blake & Jimmy-Arthur Tackett → No 36; 1980-07-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kiser & Tackett Coal Company Inc → No 36; 1983-03-01 to 1983-10-24; source msha-controller-operator-history
- **controller_controls_operator:** Kiser Blake & Jimmy-Arthur Tackett → Kiser & Tackett Coal Company Inc; 1983-03-01 to 1983-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Kiser Brothers Coal Company Inc → No 36; 1983-10-25 to 1986-02-12; source msha-controller-operator-history
- **controller_controls_operator:** Kiser Jimmy → Kiser Brothers Coal Company Inc; 1983-10-25 to 1986-02-12; source msha-controller-operator-history
- **operator_operates_mine:** Lakin Coal Company Inc → No 36; 1986-02-13 to 1988-08-15; source msha-controller-operator-history
- **controller_controls_mine:** George  Newsom → No 36; 1986-02-13 to 1988-08-15; source msha-controller-operator-history
- **controller_controls_operator:** George  Newsom → Lakin Coal Company Inc; 1986-02-13 to 1988-08-15; source msha-controller-operator-history
- **operator_operates_mine:** C & H Coal Company Inc → No 36; 1988-08-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hunter Caner → C & H Coal Company Inc; 1988-08-16 to current/open; source msha-controller-operator-history