# Relationship history for MSHA mine 5400504

Current hierarchy: **Edwin  Cordero Cordero → EDWIN CORDERO CORDERO → CANTERA CORDERO**

- 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:** Edwin Cordero Cordero → CANTERA CORDERO; 2024-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Edwin  Cordero Cordero → CANTERA CORDERO; 2024-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edwin  Cordero Cordero → Edwin Cordero Cordero; 2024-03-20 to current/open; source msha-controller-operator-history