# Relationship history for MSHA mine 1504079

Current hierarchy: **Jill  Slone → Gun Hill Coal Inc → #1**

- 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:** Gloria Coal Company → #1; 1950-01-01 to 1979-08-28; source msha-controller-operator-history
- **controller_controls_mine:** Tackett Clyde → #1; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tackett Clyde → Gloria Coal Company; 1950-01-01 to 1979-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Chazander Mining Company Inc → #1; 1979-08-29 to 1983-07-07; source msha-controller-operator-history
- **controller_controls_mine:** Hobert  Newman → #1; 1979-08-29 to 1983-07-07; source msha-controller-operator-history
- **controller_controls_operator:** Hobert  Newman → Chazander Mining Company Inc; 1979-08-29 to 1983-07-07; source msha-controller-operator-history
- **operator_operates_mine:** Kimberly & K Coal Company Inc → #1; 1983-07-08 to 1989-12-13; source msha-controller-operator-history
- **controller_controls_mine:** George  Newsom → #1; 1983-07-08 to 1989-12-13; source msha-controller-operator-history
- **controller_controls_operator:** George  Newsom → Kimberly & K Coal Company Inc; 1983-07-08 to 1989-12-13; source msha-controller-operator-history
- **controller_controls_mine:** Dianna  Meade → #1; 1987-11-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** M & D Coal Company Inc → #1; 1989-12-14 to 1998-08-06; source msha-controller-operator-history
- **controller_controls_operator:** Dianna  Meade → M & D Coal Company Inc; 1989-12-14 to 1998-08-06; source msha-controller-operator-history
- **operator_operates_mine:** Gun Hill Coal Inc → #1; 1998-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jill  Slone → #1; 1998-08-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jill  Slone → Gun Hill Coal Inc; 1998-08-07 to current/open; source msha-controller-operator-history