# Relationship history for MSHA mine 2602079

Current hierarchy: **Rea Gold Corp → American Resource Corp Inc → GOLDFIELD OPERATION**

- 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:** Red Rock Mining (Usa) Inc → GOLDFIELD OPERATION; 1988-08-01 to 1992-05-27; source msha-controller-operator-history
- **controller_controls_mine:** Walhalla Mining Company N L → GOLDFIELD OPERATION; 1988-08-01 to 1992-05-27; source msha-controller-operator-history
- **controller_controls_operator:** Walhalla Mining Company N L → Red Rock Mining (Usa) Inc; 1988-08-01 to 1992-05-27; source msha-controller-operator-history
- **operator_operates_mine:** American Resource Corp → GOLDFIELD OPERATION; 1992-05-28 to 1996-07-18; source msha-controller-operator-history
- **controller_controls_mine:** American Pacific Minerals Ltd → GOLDFIELD OPERATION; 1992-05-28 to 1996-07-18; source msha-controller-operator-history
- **controller_controls_operator:** American Pacific Minerals Ltd → American Resource Corp; 1992-05-28 to 1996-07-18; source msha-controller-operator-history
- **operator_operates_mine:** American Resource Corp Inc → GOLDFIELD OPERATION; 1996-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rea Gold Corp → GOLDFIELD OPERATION; 1996-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rea Gold Corp → American Resource Corp Inc; 1996-07-19 to current/open; source msha-controller-operator-history