# Relationship history for MSHA mine 5400360

Current hierarchy: **Pastrana Luis → Luis Pastrana → Tosquero Pastrana**

- 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:** Luis Pastrana → Tosquero Pastrana; 1993-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Pastrana Luis → Tosquero Pastrana; 1993-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Pastrana Luis → Luis Pastrana; 1993-10-01 to current/open; source msha-controller-operator-history