# Relationship history for MSHA mine 4300726

Current hierarchy: **Bazin Brothers Trucking Inc ESOP; Robert J  Bazin; Denis  Bazin; → BAZIN BROTHERS TRUCKING INC → SCREENER 3.5**

- 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:** Bazin Brothers Trucking Inc → SCREENER 3.5; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bazin Brothers Trucking Inc ESOP et al → SCREENER 3.5; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bazin Brothers Trucking Inc ESOP et al → Bazin Brothers Trucking Inc; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert J  Bazin et al → Bazin Brothers Trucking Inc; 2011-03-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Denis  Bazin et al → Bazin Brothers Trucking Inc; 2011-03-28 to current/open; source msha-controller-operator-history