# Relationship history for MSHA mine 5001510

Current hierarchy: **Alaska Gold Extraction LLC → Highlight Canyon LLC → White Creek**

- 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:** Lucky Creek Mine → White Creek; 1986-08-01 to 2011-07-24; source msha-controller-operator-history
- **controller_controls_mine:** Morris Claude & Elmer Willey → White Creek; 1986-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Morris Claude & Elmer Willey → Lucky Creek Mine; 1986-08-01 to 2011-07-24; source msha-controller-operator-history
- **operator_operates_mine:** Highlight Canyon LLC → White Creek; 2011-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Alaska Gold Extraction LLC → White Creek; 2011-07-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alaska Gold Extraction LLC → Highlight Canyon LLC; 2011-07-25 to current/open; source msha-controller-operator-history