# Relationship history for MSHA mine 5400483

Current hierarchy: **Enrique  Golderos → Cantera El Tuque,  Inc. → Cantera El Tuque**

- 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:** Cantera El Tuque,  Inc. → Cantera El Tuque; 2010-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Enrique  Golderos → Cantera El Tuque; 2010-08-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Enrique  Golderos → Cantera El Tuque,  Inc.; 2010-08-04 to current/open; source msha-controller-operator-history