# Relationship history for MSHA mine 5400343

Current hierarchy: **Jose R  Cintron → Agregados Villa Linda, Inc → Agregados Villa Linda**

- 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:** Agregados Del Valle Inc → Agregados Villa Linda; 1992-11-01 to 2015-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Edwin (Torres)  Del Valle → Agregados Villa Linda; 1992-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Edwin (Torres)  Del Valle → Agregados Del Valle Inc; 1992-11-01 to 2015-02-08; source msha-controller-operator-history
- **operator_operates_mine:** Agregados Villa Linda, Inc → Agregados Villa Linda; 2015-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jose R  Cintron → Agregados Villa Linda; 2015-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jose R  Cintron → Agregados Villa Linda, Inc; 2015-02-09 to current/open; source msha-controller-operator-history