# Relationship history for MSHA mine 3800694

Current hierarchy: **Jason  White → White & Sons Mining Company → WHITE & SONS MINING CO.**

- 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

- **operator_operates_mine:** White & Sons Mining Company → WHITE & SONS MINING CO.; 1999-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jason  White → WHITE & SONS MINING CO.; 1999-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  White → White & Sons Mining Company; 1999-10-01 to current/open; source msha-controller-operator-history