# Relationship history for MSHA mine 2602254

Current hierarchy: **Rea Gold Corp → Mt Hamilton Mining Company → MT. HAMILTON 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:** Mt Hamilton Mining Company → MT. HAMILTON MINE; 1994-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rea Gold Corp → MT. HAMILTON MINE; 1994-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rea Gold Corp → Mt Hamilton Mining Company; 1994-06-01 to current/open; source msha-controller-operator-history