# Relationship history for MSHA mine 1517334

Current hierarchy: **Jody  Samons → Apache Mining Company Inc → 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:** Jody  Samons → No 3; 1992-02-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Boyd Coal Company Inc → No 3; 1992-12-01 to 1993-12-06; source msha-controller-operator-history
- **controller_controls_mine:** Jerry D  Boyd → No 3; 1992-12-01 to 1994-06-14; source msha-controller-operator-history
- **controller_controls_operator:** Jerry D  Boyd → Boyd Coal Company Inc; 1992-12-01 to 1993-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Apache Mining Company Inc → No 3; 1993-12-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jody  Samons → Apache Mining Company Inc; 1993-12-07 to current/open; source msha-controller-operator-history