# Relationship history for MSHA mine 4405523

Current hierarchy: **Rash Russell → M C Mining Inc → No 2**

- 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:** Double Luck Coal Company Inc → No 2; 1980-10-01 to 1982-09-15; source msha-controller-operator-history
- **controller_controls_mine:** Addison James P → No 2; 1980-10-01 to 1982-09-15; source msha-controller-operator-history
- **controller_controls_operator:** Addison James P → Double Luck Coal Company Inc; 1980-10-01 to 1982-09-15; source msha-controller-operator-history
- **controller_controls_mine:** Rash Russell → No 2; 1982-04-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** M C Mining Inc → No 2; 1982-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Rash Russell → M C Mining Inc; 1982-09-16 to current/open; source msha-controller-operator-history
