# Relationship history for MSHA mine 4105503

Current hierarchy: **Jim  Mitchell → MAC Real Estate Inc → Greenwood**

- 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:** MAC Real Estate Inc → Greenwood; 2020-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jim  Mitchell → Greenwood; 2020-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jim  Mitchell → MAC Real Estate Inc; 2020-05-13 to current/open; source msha-controller-operator-history