# Relationship history for MSHA mine 4503616

Current hierarchy: **Gordon  Hoenig → Crown Lakes LLC → GH Rock Products**

- 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:** Crown Lakes LLC → GH Rock Products; 2006-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Gordon  Hoenig → GH Rock Products; 2006-10-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gordon  Hoenig → Crown Lakes LLC; 2006-10-02 to current/open; source msha-controller-operator-history