# Relationship history for MSHA mine 4105800

Current hierarchy: **Aric W  Hendricks → A Hendricks &Co LLC → Portable 883**

- 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:** A Hendricks &Co LLC → Portable 883; 2025-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Aric W  Hendricks → Portable 883; 2025-05-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Aric W  Hendricks → A Hendricks &Co LLC; 2025-05-29 to current/open; source msha-controller-operator-history