# Relationship history for MSHA mine 0405353

Current hierarchy: **Ronelle  McMahon → Kibesillah Rock Company → Wilsey Ranch Quarry**

- 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:** Kibesillah Rock Company → Wilsey Ranch Quarry; 1998-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Ronelle  McMahon → Wilsey Ranch Quarry; 1998-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ronelle  McMahon → Kibesillah Rock Company; 1998-07-01 to current/open; source msha-controller-operator-history