# Relationship history for MSHA mine 5400292

Current hierarchy: **Rafael A Andujar  Velez → Cantera  Adjuntas , Inc. → Cantera Adjuntas**

- 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

- **operator_operates_mine:** Oscar Velez (Padre) → Cantera Adjuntas; 1986-10-01 to 1988-01-20; source msha-controller-operator-history
- **controller_controls_mine:** Oscar  Velez (Padre) → Cantera Adjuntas; 1986-10-01 to 1988-01-20; source msha-controller-operator-history
- **controller_controls_operator:** Oscar  Velez (Padre) → Oscar Velez (Padre); 1986-10-01 to 1988-01-20; source msha-controller-operator-history
- **operator_operates_mine:** Adjuntas Aggregates, Inc. → Cantera Adjuntas; 1988-01-21 to 2024-09-04; source msha-controller-operator-history
- **controller_controls_mine:** Rafael A Andujar  Velez → Cantera Adjuntas; 1988-01-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rafael A Andujar  Velez → Adjuntas Aggregates, Inc.; 1988-01-21 to 2024-09-04; source msha-controller-operator-history
- **operator_operates_mine:** Cantera  Adjuntas , Inc. → Cantera Adjuntas; 2024-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rafael A Andujar  Velez → Cantera Adjuntas; 2024-09-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rafael A Andujar  Velez → Cantera  Adjuntas , Inc.; 2024-09-05 to current/open; source msha-controller-operator-history