# Relationship history for MSHA mine 4608822

Current hierarchy: **Alan  Thomas → Fairmont Energy Inc → Adrian Deep Mine No 1**

- 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

- **controller_controls_mine:** Alan  Thomas → Adrian Deep Mine No 1; 1998-09-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Fairmont Energy Inc → Adrian Deep Mine No 1; 2000-02-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alan  Thomas → Fairmont Energy Inc; 2000-02-01 to current/open; source msha-controller-operator-history