# Relationship history for MSHA mine 2902574

Current hierarchy: **Trey  Hughes → B&R Trucking → 2005 4048 INERTIA PHOENIX Serial# 521107**

- 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:** Trey  Hughes → 2005 4048 INERTIA PHOENIX Serial# 521107; 2016-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** B&R Trucking → 2005 4048 INERTIA PHOENIX Serial# 521107; 2026-01-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trey  Hughes → B&R Trucking; 2026-01-20 to current/open; source msha-controller-operator-history