# Relationship history for MSHA mine 5400467

Current hierarchy: **Jaime A  Jimenez → Zaino Construction Corporation → Cantera Zaino**

- 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:** Zaino Construction Corporation → Cantera Zaino; 2007-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jaime A  Jimenez → Cantera Zaino; 2007-10-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jaime A  Jimenez → Zaino Construction Corporation; 2007-10-24 to current/open; source msha-controller-operator-history