# Relationship history for MSHA mine 0801352

Current hierarchy: **Steve  Shaw → Couch Aggregates LLC → Crestview 711**

- 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

- **operator_operates_mine:** G2C Enterprises → Crestview 711; 2006-11-21 to 2012-07-01; source msha-controller-operator-history
- **controller_controls_mine:** Rodney H  Greenway → Crestview 711; 2006-11-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rodney H  Greenway → G2C Enterprises; 2006-11-21 to 2012-07-01; source msha-controller-operator-history
- **controller_controls_mine:** Steve  Shaw et al → Crestview 711; 2012-06-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Couch Aggregates LLC → Crestview 711; 2012-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Steve  Shaw et al → Couch Aggregates LLC; 2012-07-02 to current/open; source msha-controller-operator-history