# Relationship history for MSHA mine 2103489

Current hierarchy: **Jason  Rouse; Brenda  Rouse → Gravel Express, Inc. → Gravel Experss, Inc.**

- 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:** Gravel Express, Inc. → Gravel Experss, Inc.; 2005-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jason  Rouse et al → Gravel Experss, Inc.; 2005-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason  Rouse et al → Gravel Express, Inc.; 2005-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Brenda  Rouse et al → Gravel Express, Inc.; 2005-05-02 to current/open; source msha-controller-operator-history