# Relationship history for MSHA mine 4608851

Current hierarchy: **Jerry W  McCracken → RAR CONST., CO., INC → Bowyer Creek Rec Project Site No2**

- 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:** Premium Rock Coal Company Inc → Bowyer Creek Rec Project Site No2; 2000-09-01 to 2002-02-21; source msha-controller-operator-history
- **controller_controls_mine:** Donna B  Dearing → Bowyer Creek Rec Project Site No2; 2000-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Donna B  Dearing → Premium Rock Coal Company Inc; 2000-09-01 to 2002-02-21; source msha-controller-operator-history
- **operator_operates_mine:** RAR CONST., CO., INC → Bowyer Creek Rec Project Site No2; 2002-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry W  McCracken → Bowyer Creek Rec Project Site No2; 2002-02-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry W  McCracken → RAR CONST., CO., INC; 2002-02-22 to current/open; source msha-controller-operator-history