# Relationship history for MSHA mine 2003303

Current hierarchy: **Michael Lloyd  Rusche → Rusche's Trucking, Inc. → Sandvik**

- 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:** Michael Lloyd  Rusche et al → Sandvik; 1999-04-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Rusche's Trucking, Inc. → Sandvik; 2004-09-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael Lloyd  Rusche et al → Rusche's Trucking, Inc.; 2004-09-02 to current/open; source msha-controller-operator-history