# Relationship history for MSHA mine 1516147

Current hierarchy: **Bennett Joetta W → J & T Mining Inc → Mine No 3**

- 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:** Walker Sam → Mine No 3; 1987-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Walkco Coal Company → Mine No 3; 1987-08-01 to 1988-02-10; source msha-controller-operator-history
- **controller_controls_operator:** Walker Sam → Walkco Coal Company; 1987-08-01 to 1988-02-10; source msha-controller-operator-history
- **operator_operates_mine:** Amar Coal Company → Mine No 3; 1988-02-11 to 1988-09-25; source msha-controller-operator-history
- **controller_controls_mine:** Chasteen Nicklous → Mine No 3; 1988-02-11 to 1988-09-25; source msha-controller-operator-history
- **controller_controls_operator:** Chasteen Nicklous → Amar Coal Company; 1988-02-11 to 1988-09-25; source msha-controller-operator-history
- **operator_operates_mine:** M & H Coal Company → Mine No 3; 1988-09-26 to 1989-02-14; source msha-controller-operator-history
- **controller_controls_mine:** Bryant Marion & Paul-Harold Hoskin → Mine No 3; 1988-09-26 to 1989-02-14; source msha-controller-operator-history
- **controller_controls_operator:** Bryant Marion & Paul-Harold Hoskin → M & H Coal Company; 1988-09-26 to 1989-02-14; source msha-controller-operator-history
- **operator_operates_mine:** C & S Development Corp → Mine No 3; 1989-02-15 to 1991-01-09; source msha-controller-operator-history
- **controller_controls_mine:** Church David → Mine No 3; 1989-02-15 to 1991-01-09; source msha-controller-operator-history
- **controller_controls_operator:** Church David → C & S Development Corp; 1989-02-15 to 1991-01-09; source msha-controller-operator-history
- **operator_operates_mine:** Sanders Enterprises Inc → Mine No 3; 1991-01-10 to 1991-04-01; source msha-controller-operator-history
- **controller_controls_mine:** Rodney  Sanders → Mine No 3; 1991-01-10 to 1992-09-27; source msha-controller-operator-history
- **controller_controls_operator:** Rodney  Sanders → Sanders Enterprises Inc; 1991-01-10 to 1991-04-01; source msha-controller-operator-history
- **operator_operates_mine:** Gen-Coal Inc → Mine No 3; 1991-04-02 to 1993-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Fuson Ronnie → Mine No 3; 1991-04-02 to 1993-03-09; source msha-controller-operator-history
- **controller_controls_operator:** Fuson Ronnie → Gen-Coal Inc; 1991-04-02 to 1993-03-09; source msha-controller-operator-history
- **controller_controls_mine:** Bennett Joetta W → Mine No 3; 1992-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** J & T Mining Inc → Mine No 3; 1993-03-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bennett Joetta W → J & T Mining Inc; 1993-03-10 to current/open; source msha-controller-operator-history