# Relationship history for MSHA mine 4202805

Current hierarchy: **Jayden M  Hugie → SJ Rock & Gravel, LLC → J6 Ranch**

- 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:** SJ Rock & Gravel, LLC → J6 Ranch; 2026-05-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jayden M  Hugie → J6 Ranch; 2026-05-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jayden M  Hugie → SJ Rock & Gravel, LLC; 2026-05-07 to current/open; source msha-controller-operator-history