# Relationship history for MSHA mine 4202710

Current hierarchy: **Dallas  Hakes; Martin  White → Maverick Crushing, LLC → Maverick Portable**

- 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:** Martin T  White → Maverick Portable; 2018-08-13 to 2025-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Maverick Crushing, LLC → Maverick Portable; 2020-05-06 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martin T  White → Maverick Crushing, LLC; 2020-05-06 to 2025-03-31; source msha-controller-operator-history
- **controller_controls_mine:** Martin  White et al → Maverick Portable; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martin  White et al → Maverick Crushing, LLC; 2025-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dallas  Hakes et al → Maverick Crushing, LLC; 2025-04-01 to current/open; source msha-controller-operator-history