# Relationship history for MSHA mine 1401634

Current hierarchy: **Kevin L  Starbuck → Starbuck Trucking LLC → Starbuck Trucking LLC**

- 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:** Kevin L  Starbuck → Starbuck Trucking LLC; 1985-03-25 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Starbuck Trucking LLC → Starbuck Trucking LLC; 2004-11-23 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin L  Starbuck → Starbuck Trucking LLC; 2004-11-23 to current/open; source msha-controller-operator-history