# Relationship history for MSHA mine 5400508

Current hierarchy: **Hector  Rodriguez → RODRIGUEZ AGGREGATES → HR # 2**

- 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

- **controller_controls_mine:** Hector  Rodriguez → HR # 2; 2013-05-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** RODRIGUEZ AGGREGATES → HR # 2; 2024-08-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hector  Rodriguez → RODRIGUEZ AGGREGATES; 2024-08-20 to current/open; source msha-controller-operator-history