# Relationship history for MSHA mine 2003369

Current hierarchy: **Cheryl L  Hughes → CD Hughes Inc → Potterville 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:** Cheryl L  Hughes → Potterville Pit; 2006-06-22 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** C & D Hughes Inc → Potterville Pit; 2006-07-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cheryl L  Hughes → C & D Hughes Inc; 2006-07-13 to current/open; source msha-controller-operator-history