# Relationship history for MSHA mine 5400406

Current hierarchy: **Angel M  Morales (Gonzalez) → Arenas Del Otoao Inc → ARENAS DEL OTOAO**

- 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:** Arenas De Utuado Y Association → ARENAS DEL OTOAO; 1998-01-01 to 1998-11-24; source msha-controller-operator-history
- **controller_controls_mine:** Wilfredo  Torres (Ramos) → ARENAS DEL OTOAO; 1998-01-01 to 1998-11-24; source msha-controller-operator-history
- **controller_controls_operator:** Wilfredo  Torres (Ramos) → Arenas De Utuado Y Association; 1998-01-01 to 1998-11-24; source msha-controller-operator-history
- **operator_operates_mine:** Arenas Del Otoao Inc → ARENAS DEL OTOAO; 1998-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Angel M  Morales (Gonzalez) → ARENAS DEL OTOAO; 1998-11-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Angel M  Morales (Gonzalez) → Arenas Del Otoao Inc; 1998-11-25 to current/open; source msha-controller-operator-history