# Relationship history for MSHA mine 5400411

Current hierarchy: **Aponte Lorenzo & Juan C → Productos Agregados Del Turabo → PRODUCTOS DE AGREGADOS DELTURABO**

- 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:** Productos Agregados Del Turabo → PRODUCTOS DE AGREGADOS DELTURABO; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Aponte Lorenzo & Juan C → PRODUCTOS DE AGREGADOS DELTURABO; 1998-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aponte Lorenzo & Juan C → Productos Agregados Del Turabo; 1998-06-01 to current/open; source msha-controller-operator-history