# Relationship history for MSHA mine 4202337

Current hierarchy: **Danny  Bown → Bown Stone Products Inc → Bown Stone Products Inc**

- 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:** Bown Building Stone → Bown Stone Products Inc; 2002-03-20 to 2008-03-19; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Bown  et al → Bown Stone Products Inc; 2002-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Bown  et al → Bown Building Stone; 2002-03-20 to 2008-03-19; source msha-controller-operator-history
- **operator_operates_mine:** Bown Stone Products Inc → Bown Stone Products Inc; 2008-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny  Bown  et al → Bown Stone Products Inc; 2008-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danny  Bown  et al → Bown Stone Products Inc; 2008-03-20 to current/open; source msha-controller-operator-history