# Relationship history for MSHA mine 4202527

Current hierarchy: **Martin T  White → Tru Crushing Inc. → Honeyville**

- 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:** Steve R  Zabriskie → Honeyville; 2003-06-28 to 2008-04-10; source msha-controller-operator-history
- **controller_controls_mine:** Martin T  White → Honeyville; 2008-04-11 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tru Crushing Inc. → Honeyville; 2009-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Martin T  White → Tru Crushing Inc.; 2009-05-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve R  Zabriskie → Tru Crushing Inc.; 2009-05-20 to 2008-04-10; source msha-controller-operator-history