# Relationship history for MSHA mine 4702877

Current hierarchy: **Rick  Wilinski → Dons Trucking → DON'S TRUCKING**

- 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:** Faye  Wilinski → DON'S TRUCKING; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Dons Trucking → DON'S TRUCKING; 1988-06-01 to 1998-01-04; source msha-controller-operator-history
- **controller_controls_operator:** Faye  Wilinski → Dons Trucking; 1988-06-01 to 1998-01-04; source msha-controller-operator-history
- **operator_operates_mine:** Dons Trucking → DON'S TRUCKING; 1998-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Rick  Wilinski → DON'S TRUCKING; 1998-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rick  Wilinski → Dons Trucking; 1998-01-05 to current/open; source msha-controller-operator-history