# Relationship history for MSHA mine 3605538

Current hierarchy: **Kutsenkow George → Kutsenkow Coal Company → Mountain-Detwiler Job**

- 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

- **controller_controls_mine:** Kutsenkow George → Mountain-Detwiler Job; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kutsenkow Coal Company → Mountain-Detwiler Job; 1973-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kutsenkow George → Kutsenkow Coal Company; 1973-01-01 to current/open; source msha-controller-operator-history