# Relationship history for MSHA mine 3608791

Current hierarchy: **George W  Yeagle → Yeagle Excavating Inc → YEAGLE**

- 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:** Yeagle Excavating Inc → YEAGLE; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** George W  Yeagle → YEAGLE; 1999-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** George W  Yeagle → Yeagle Excavating Inc; 1999-06-01 to current/open; source msha-controller-operator-history