# Relationship history for MSHA mine 3602704

Current hierarchy: **Anthony J  Flango → Cougar Contracting Inc → 3-Cougar-Strip**

- 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:** Cougar Contracting Inc → 3-Cougar-Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony J  Flango → 3-Cougar-Strip; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony J  Flango → Cougar Contracting Inc; 1950-01-01 to current/open; source msha-controller-operator-history