# Relationship history for MSHA mine 2401145

Current hierarchy: **Kinross Gold Corporation → TVX Mineral Hill Inc → Mineral Hill Mine**

- 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:** Anaconda Company → Mineral Hill Mine; 1950-01-01 to 1980-10-13; source msha-controller-operator-history
- **controller_controls_mine:** Atlantic Richfield Company → Mineral Hill Mine; 1950-01-01 to 1980-10-13; source msha-controller-operator-history
- **controller_controls_operator:** Atlantic Richfield Company → Anaconda Company; 1950-01-01 to 1980-10-13; source msha-controller-operator-history
- **operator_operates_mine:** Amerikanuak Inc → Mineral Hill Mine; 1980-10-14 to 2004-01-05; source msha-controller-operator-history
- **controller_controls_mine:** Tvx Gold Inc → Mineral Hill Mine; 1980-10-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Tvx Gold Inc → Amerikanuak Inc; 1980-10-14 to 2004-01-05; source msha-controller-operator-history
- **operator_operates_mine:** TVX Mineral Hill Inc → Mineral Hill Mine; 2004-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kinross Gold Corporation → Mineral Hill Mine; 2004-01-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kinross Gold Corporation → TVX Mineral Hill Inc; 2004-01-06 to current/open; source msha-controller-operator-history