# Relationship history for MSHA mine 5400460

Current hierarchy: **Hector  Rodriguez → RODRIGUEZ AGGREGATES CORP → Cantera H R /LAVADERO**

- 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:** Tosquero Santiago Inc → Cantera H R /LAVADERO; 2005-04-28 to 2008-06-09; source msha-controller-operator-history
- **controller_controls_mine:** Pedro  Santiago → Cantera H R /LAVADERO; 2005-04-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pedro  Santiago → Tosquero Santiago Inc; 2005-04-28 to 2008-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Transportes Rodriguez Asfaltos, Inc. → Cantera H R /LAVADERO; 2008-06-10 to 2009-01-27; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Cantera H R /LAVADERO; 2008-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → Transportes Rodriguez Asfaltos, Inc.; 2008-06-10 to 2009-01-27; source msha-controller-operator-history
- **operator_operates_mine:** Cantera Rodriguez → Cantera H R /LAVADERO; 2009-01-28 to 2009-03-19; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Cantera H R /LAVADERO; 2009-01-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → Cantera Rodriguez; 2009-01-28 to 2009-03-19; source msha-controller-operator-history
- **operator_operates_mine:** Cantera H R Corp → Cantera H R /LAVADERO; 2009-03-20 to 2022-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Cantera H R /LAVADERO; 2009-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → Cantera H R Corp; 2009-03-20 to 2022-07-26; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Cantera H R /LAVADERO; 2013-05-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RODRIGUEZ AGGREGATES CORP → Cantera H R /LAVADERO; 2022-07-27 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → RODRIGUEZ AGGREGATES CORP; 2022-07-27 to current/open; source msha-controller-operator-history