# Relationship history for MSHA mine 4609399

Current hierarchy: **Metinvest B V → Roaring Creek Coal Company LLC → Roaring Creek Preparation Plant**

- 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:** Metinvest B V → Roaring Creek Preparation Plant; 2011-08-19 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Roaring Creek Coal Company LLC → Roaring Creek Preparation Plant; 2011-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Metinvest B V → Roaring Creek Coal Company LLC; 2011-08-22 to current/open; source msha-controller-operator-history