# Relationship history for MSHA mine 2601511

Current hierarchy: **Kinross Gold Corporation → Kinross Candelaria Mining Company → CANDELARIA 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Candelaria Partners → CANDELARIA MINE; 1979-01-01 to 1983-02-01; source msha-controller-operator-history
- **controller_controls_mine:** Occidental Minerals Corp & Congdon & Carey → CANDELARIA MINE; 1979-01-01 to 1983-02-01; source msha-controller-operator-history
- **controller_controls_operator:** Occidental Minerals Corp & Congdon & Carey → Candelaria Partners; 1979-01-01 to 1983-02-01; source msha-controller-operator-history
- **operator_operates_mine:** Candelaria Partners → CANDELARIA MINE; 1983-02-02 to 1983-11-30; source msha-controller-operator-history
- **controller_controls_mine:** Nerco Metals & Congdon & Carey → CANDELARIA MINE; 1983-02-02 to 1983-11-30; source msha-controller-operator-history
- **controller_controls_operator:** Nerco Metals & Congdon & Carey → Candelaria Partners; 1983-02-02 to 1983-11-30; source msha-controller-operator-history
- **operator_operates_mine:** Nerco Metals Inc → CANDELARIA MINE; 1983-12-01 to 1993-08-02; source msha-controller-operator-history
- **controller_controls_mine:** Pacificorp (Now: Mid-American Energy Hldgs-C02046) → CANDELARIA MINE; 1983-12-01 to 1993-08-02; source msha-controller-operator-history
- **controller_controls_operator:** Pacificorp (Now: Mid-American Energy Hldgs-C02046) → Nerco Metals Inc; 1983-12-01 to 1993-08-02; source msha-controller-operator-history
- **operator_operates_mine:** Kinross Candelaria Mining Company → CANDELARIA MINE; 1993-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kinross Gold Corporation → CANDELARIA MINE; 1993-08-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kinross Gold Corporation → Kinross Candelaria Mining Company; 1993-08-03 to current/open; source msha-controller-operator-history