# Relationship history for MSHA mine 3503956

Current hierarchy: **Brennah  Miller; Charles Erik Miller → Over The Bank Construction Company Inc → VanGilder 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Over The Bank Construction Company Inc → VanGilder Pit; 2024-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Brennah  Miller et al → VanGilder Pit; 2024-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brennah  Miller et al → Over The Bank Construction Company Inc; 2024-02-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles Erik Miller et al → Over The Bank Construction Company Inc; 2024-02-14 to current/open; source msha-controller-operator-history