# Relationship history for MSHA mine 4602342

Current hierarchy: **Joseph T  Bennett → Rex Coal Company Inc → Mcginnis Strip Mine**

- 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:** Rex Coal Company Inc → Mcginnis Strip Mine; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph T  Bennett  et al → Mcginnis Strip Mine; 2002-02-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph T  Bennett  et al → Rex Coal Company Inc; 2002-02-15 to current/open; source msha-controller-operator-history