# Relationship history for MSHA mine 5400222

Current hierarchy: **Edwin  Maldonado → Cantero Martino → CANTERO MARTINO**

- 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:** Juan De La Cruz Maldonado → CANTERO MARTINO; 1980-08-14 to 1995-02-20; source msha-controller-operator-history
- **controller_controls_mine:** Juan de la Cruz  Maldonado → CANTERO MARTINO; 1980-08-14 to 1995-02-20; source msha-controller-operator-history
- **controller_controls_operator:** Juan de la Cruz  Maldonado → Juan De La Cruz Maldonado; 1980-08-14 to 1995-02-20; source msha-controller-operator-history
- **operator_operates_mine:** Cantero Martino → CANTERO MARTINO; 1995-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edwin  Maldonado → CANTERO MARTINO; 1995-02-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edwin  Maldonado → Cantero Martino; 1995-02-21 to current/open; source msha-controller-operator-history