# Relationship history for MSHA mine 5400297

Current hierarchy: **Hector  Rodriguez → RODRIGUEZ AGGREGATES CORP → Rodriguez Aggregates Isabela**

- 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:** Ricardo  Cardona et al → Rodriguez Aggregates Isabela; 1979-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Master Aggregates Toa Baja Corp → Rodriguez Aggregates Isabela; 1987-07-01 to 2014-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Ricardo  Cardona et al → Master Aggregates Toa Baja Corp; 1987-07-01 to 2014-10-14; source msha-controller-operator-history
- **controller_controls_operator:** Victor S  Maldonado  et al → Master Aggregates Toa Baja Corp; 1987-07-01 to 2014-10-14; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Rodriguez Aggregates Isabela; 2013-05-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Mini Master Concrete Service Inc → Rodriguez Aggregates Isabela; 2014-10-15 to 2024-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Carmen M  Betancourt → Rodriguez Aggregates Isabela; 2014-10-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carmen M  Betancourt → Mini Master Concrete Service Inc; 2014-10-15 to 2024-06-19; source msha-controller-operator-history
- **operator_operates_mine:** RODRIGUEZ AGGREGATES CORP → Rodriguez Aggregates Isabela; 2024-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → RODRIGUEZ AGGREGATES CORP; 2024-06-20 to current/open; source msha-controller-operator-history