# Relationship history for MSHA mine 4503671

Current hierarchy: **Danial R  Cates → Stone NW Inc → Fisher Quarry/192nd Ave**

- 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:** Stone NW Inc → Fisher Quarry/192nd Ave; 2009-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danial R  Cates Et Al → Fisher Quarry/192nd Ave; 2009-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Danial R  Cates Et Al → Stone NW Inc; 2009-10-14 to current/open; source msha-controller-operator-history