# Relationship history for MSHA mine 4801809

Current hierarchy: **Zane  White; Brad  White; Christine  White → White Mountain Operating, LLC → White Mountain Crushing**

- 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 Mountain Operating, LLC → White Mountain Crushing; 2018-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Christine  White et al → White Mountain Crushing; 2018-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Christine  White et al → White Mountain Operating, LLC; 2018-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Zane  White et al → White Mountain Operating, LLC; 2018-04-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brad  White et al → White Mountain Operating, LLC; 2018-04-05 to current/open; source msha-controller-operator-history