# Relationship history for MSHA mine 3304826

Current hierarchy: **Michael  Majors; Dennis  Majors → Gravel Depot, LLC → Trenton Franklin Pit**

- 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

- **operator_operates_mine:** Gravel Depot, LLC → Trenton Franklin Pit; 2026-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dennis  Majors et al → Trenton Franklin Pit; 2026-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dennis  Majors et al → Gravel Depot, LLC; 2026-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Majors et al → Gravel Depot, LLC; 2026-09-02 to current/open; source msha-controller-operator-history