# Relationship history for MSHA mine 2402289

Current hierarchy: **Robert J Glenn → Natural American Gem Mining → Lapin Claim**

- 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:** Natural American Gem Mining → Lapin Claim; 2002-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Robert J Glenn et al → Lapin Claim; 2002-08-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Robert J Glenn et al → Natural American Gem Mining; 2002-08-02 to current/open; source msha-controller-operator-history