# Relationship history for MSHA mine 0405204

Current hierarchy: **Darren  Rose → Yreka Transit Mix Concrete Inc → YREKA TRANSIT MIX**

- 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:** Yreka Transit Mix Concrete Inc → YREKA TRANSIT MIX; 1992-12-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Evans Dale → YREKA TRANSIT MIX; 1992-12-01 to 2006-02-02; source msha-controller-operator-history
- **controller_controls_operator:** Evans Dale → Yreka Transit Mix Concrete Inc; 1992-12-01 to 2006-02-02; source msha-controller-operator-history
- **controller_controls_mine:** Darren  Rose → YREKA TRANSIT MIX; 2006-02-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Darren  Rose → Yreka Transit Mix Concrete Inc; 2006-02-03 to current/open; source msha-controller-operator-history