# Relationship history for MSHA mine 1601618

Current hierarchy: **Expand Energy Corporation → Geaux Prop LLC → Geaux Prop**

- 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:** Geaux Prop LLC → Geaux Prop; 2025-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Expand Energy Corporation → Geaux Prop; 2025-01-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Expand Energy Corporation → Geaux Prop LLC; 2025-01-07 to current/open; source msha-controller-operator-history