# Relationship history for MSHA mine 2602083

Current hierarchy: **Traiger Michael → Terra Mining & Processing Inc → Golden Eagle Placer**

- 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:** Terra Mining & Processing Inc → Golden Eagle Placer; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Traiger Michael → Golden Eagle Placer; 1988-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Traiger Michael → Terra Mining & Processing Inc; 1988-09-01 to current/open; source msha-controller-operator-history