# Relationship history for MSHA mine 5400265

Current hierarchy: **Eloy  Colon → Rafael Colon Homs Inc → Arena Tesoro Escondido**

- 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

- **controller_controls_mine:** Eloy  Colon  et al → Arena Tesoro Escondido; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rafael Colon Homs Inc → Arena Tesoro Escondido; 1981-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eloy  Colon  et al → Rafael Colon Homs Inc; 1981-04-01 to current/open; source msha-controller-operator-history