# Relationship history for MSHA mine 3003473

Current hierarchy: **Peter K  Frueh → PETER K FRUEH INC → FRUEH MINE SITE**

- 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:** Peter K Frueh Inc → FRUEH MINE SITE; 2004-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Peter K  Frueh → FRUEH MINE SITE; 2004-08-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Peter K  Frueh → Peter K Frueh Inc; 2004-08-24 to current/open; source msha-controller-operator-history