# Relationship history for MSHA mine 0203304

Current hierarchy: **Andrew M  Bray → Bray Construction, Inc → PT#2**

- 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

- **controller_controls_mine:** Andrew M  Bray → PT#2; 2011-12-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bray Construction, Inc → PT#2; 2012-07-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Andrew M  Bray → Bray Construction, Inc; 2012-07-09 to current/open; source msha-controller-operator-history