# Relationship history for MSHA mine 5400168

Current hierarchy: **Hector  Rodriguez → Rodriguez Aggregates, Corp. → Rodriguez Aggregates, Corp.**

- 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:** Cantera Bravo Inc → Rodriguez Aggregates, Corp.; 1950-01-01 to 1993-06-28; source msha-controller-operator-history
- **controller_controls_mine:** Waldemar  Bravo Jr → Rodriguez Aggregates, Corp.; 1950-01-01 to 1993-06-28; source msha-controller-operator-history
- **controller_controls_operator:** Waldemar  Bravo Jr → Cantera Bravo Inc; 1950-01-01 to 1993-06-28; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Bravo Inc → Rodriguez Aggregates, Corp.; 1993-06-29 to 2013-05-21; source msha-controller-operator-history
- **controller_controls_mine:** Carlos  Binet → Rodriguez Aggregates, Corp.; 1993-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carlos  Binet → Cantera Bravo Inc; 1993-06-29 to 2013-05-21; source msha-controller-operator-history
- **operator_operates_mine:** Rodriguez Aggregates, Corp. → Rodriguez Aggregates, Corp.; 2013-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Rodriguez Aggregates, Corp.; 2013-05-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → Rodriguez Aggregates, Corp.; 2013-05-22 to current/open; source msha-controller-operator-history