# Relationship history for MSHA mine 0405877

Current hierarchy: **Riverside County-CA → Riverside County Transportation Dept → 966AB MCCLOSKEY**

- 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:** Riverside County Transportation Dept → 966AB MCCLOSKEY; 2014-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Riverside County-CA → 966AB MCCLOSKEY; 2014-01-08 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Riverside County-CA → Riverside County Transportation Dept; 2014-01-08 to current/open; source msha-controller-operator-history