# Relationship history for MSHA mine 2402554

Current hierarchy: **Wyatt S  Carr → W Shane Carr → Niarada Mine**

- 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

- **operator_operates_mine:** W Shane Carr → Niarada Mine; 2009-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Wyatt S  Carr → Niarada Mine; 2009-12-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Wyatt S  Carr → W Shane Carr; 2009-12-17 to current/open; source msha-controller-operator-history