# Relationship history for MSHA mine 4801391

Current hierarchy: **Cogema S A → Pathfinder Mines Corp → Lucky Mc Mine Maintenance**

- 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

- **controller_controls_mine:** Cogema S A → Lucky Mc Mine Maintenance; 1982-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Pathfinder Mines Corp → Lucky Mc Mine Maintenance; 1983-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cogema S A → Pathfinder Mines Corp; 1983-06-01 to current/open; source msha-controller-operator-history