# Relationship history for MSHA mine 4001874

Current hierarchy: **Asbury Charles M → Kline Coal Company Inc → #9**

- 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

- **operator_operates_mine:** J & R Coal Company → #9; 1950-01-01 to 1979-01-15; source msha-controller-operator-history
- **controller_controls_mine:** Goodman Johnny → #9; 1950-01-01 to 1979-01-15; source msha-controller-operator-history
- **controller_controls_operator:** Goodman Johnny → J & R Coal Company; 1950-01-01 to 1979-01-15; source msha-controller-operator-history
- **operator_operates_mine:** J & R Coal Company Inc → #9; 1979-01-16 to 1988-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Cox Franklin C → #9; 1979-01-16 to 1988-02-21; source msha-controller-operator-history
- **controller_controls_operator:** Cox Franklin C → J & R Coal Company Inc; 1979-01-16 to 1988-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Roger E  West → #9; 1982-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Green Branch Mining Inc → #9; 1988-02-22 to 1991-06-23; source msha-controller-operator-history
- **controller_controls_operator:** Roger E  West → Green Branch Mining Inc; 1988-02-22 to 1991-06-23; source msha-controller-operator-history
- **controller_controls_mine:** Asbury Charles M → #9; 1991-06-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kline Coal Company Inc → #9; 1991-06-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Asbury Charles M → Kline Coal Company Inc; 1991-06-24 to current/open; source msha-controller-operator-history