# Relationship history for MSHA mine 3609495

Current hierarchy: **Russell R  White → Whitey Wash Enterprises → Durham/Dienno Operation**

- 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:** Russell R  White → Durham/Dienno Operation; 2004-11-09 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Whitey Wash Enterprises → Durham/Dienno Operation; 2007-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Russell R  White → Whitey Wash Enterprises; 2007-01-31 to current/open; source msha-controller-operator-history