# Relationship history for MSHA mine 0203256

Current hierarchy: **Hudbay Minerals Inc → Copper World → Copper World LLC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Copper World, Inc. → Copper World LLC; 2009-10-16 to 2026-03-01; source msha-controller-operator-history
- **controller_controls_mine:** Augusta Resource Corp → Copper World LLC; 2009-10-16 to 2014-08-25; source msha-controller-operator-history
- **controller_controls_operator:** Augusta Resource Corp → Copper World, Inc.; 2009-10-16 to 2014-08-25; source msha-controller-operator-history
- **controller_controls_mine:** Hudbay Minerals Inc → Copper World LLC; 2014-08-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hudbay Minerals Inc → Copper World, Inc.; 2014-08-26 to 2026-03-01; source msha-controller-operator-history
- **operator_operates_mine:** Copper World → Copper World LLC; 2026-03-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Hudbay Minerals Inc → Copper World LLC; 2026-03-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hudbay Minerals Inc → Copper World; 2026-03-02 to current/open; source msha-controller-operator-history