# Relationship history for MSHA mine 5001541

Current hierarchy: **Laframboise Norman G → Golden Eagle Mining → Golden Eagle**

- 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:** Golden Eagle Mining Company → Golden Eagle; 1987-08-01 to 1988-08-12; source msha-controller-operator-history
- **controller_controls_mine:** Boursaw Joseph G → Golden Eagle; 1987-08-01 to 1988-08-12; source msha-controller-operator-history
- **controller_controls_operator:** Boursaw Joseph G → Golden Eagle Mining Company; 1987-08-01 to 1988-08-12; source msha-controller-operator-history
- **operator_operates_mine:** Golden Eagle Mining → Golden Eagle; 1988-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Laframboise Norman G → Golden Eagle; 1988-08-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Laframboise Norman G → Golden Eagle Mining; 1988-08-13 to current/open; source msha-controller-operator-history