# Relationship history for MSHA mine 0504890

Current hierarchy: **Kenneth J  Evans → Overlook Mine, LLC → Overlook Mine**

- 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:** Overlook Mine, LLC → Overlook Mine; 2008-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth J  Evans → Overlook Mine; 2008-03-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth J  Evans → Overlook Mine, LLC; 2008-03-04 to current/open; source msha-controller-operator-history