# Relationship history for MSHA mine 2402465

Current hierarchy: **Rex  Leipheimer; John  Jeffery → RE Miller and Sons Inc → R. E. Miller & Sons - Portable (Mobile G**

- 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:** Tom J  Miller → R. E. Miller & Sons - Portable (Mobile G; 1994-04-01 to 2020-06-30; source msha-controller-operator-history
- **operator_operates_mine:** RE Miller and Sons Inc → R. E. Miller & Sons - Portable (Mobile G; 2006-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tom J  Miller → RE Miller and Sons Inc; 2006-10-02 to 2020-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Rex  Leipheimer et al → R. E. Miller & Sons - Portable (Mobile G; 2020-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rex  Leipheimer et al → RE Miller and Sons Inc; 2020-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Jeffery et al → RE Miller and Sons Inc; 2020-07-01 to current/open; source msha-controller-operator-history