# Relationship history for MSHA mine 2602654

Current hierarchy: **Jeff E  Fegert → Heavy Duty an LLC → Egan Crest & Severance Pit**

- 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

- **controller_controls_mine:** Jeff E  Fegert → Egan Crest & Severance Pit; 2006-01-08 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Heavy Duty an LLC → Egan Crest & Severance Pit; 2008-08-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff E  Fegert → Heavy Duty an LLC; 2008-08-26 to current/open; source msha-controller-operator-history