# Relationship history for MSHA mine 5400368

Current hierarchy: **Jorge A  Diaz-Mayoral → Puerto Rico Asphalt, LLC → Puerto Rico Asphalt, LLC**

- 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

- **controller_controls_mine:** Arturo  Diaz Jr → Puerto Rico Asphalt, LLC; 1980-07-01 to 2012-12-11; source msha-controller-operator-history
- **operator_operates_mine:** Betteroads Asphalt Corp → Puerto Rico Asphalt, LLC; 1995-02-01 to 2016-11-01; source msha-controller-operator-history
- **controller_controls_operator:** Arturo  Diaz Jr → Betteroads Asphalt Corp; 1995-02-01 to 2012-12-11; source msha-controller-operator-history
- **controller_controls_mine:** Hector  Rodriguez → Puerto Rico Asphalt, LLC; 2008-06-10 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jorge L  Diaz → Puerto Rico Asphalt, LLC; 2012-12-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jorge L  Diaz → Betteroads Asphalt Corp; 2012-12-12 to 2016-11-01; source msha-controller-operator-history
- **operator_operates_mine:** Transporte Rodriguez Asfalto, Inc. → Puerto Rico Asphalt, LLC; 2016-11-02 to 2020-06-15; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → Transporte Rodriguez Asfalto, Inc.; 2016-11-02 to 2020-06-15; source msha-controller-operator-history
- **operator_operates_mine:** Puerto Rico Asphalt, LLC → Puerto Rico Asphalt, LLC; 2020-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jorge A  Diaz-Mayoral → Puerto Rico Asphalt, LLC; 2020-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jorge A  Diaz-Mayoral → Puerto Rico Asphalt, LLC; 2020-06-16 to current/open; source msha-controller-operator-history