# Relationship history for MSHA mine 4407330

Current hierarchy: **Omega Holdings LLC → Clinch River Stone, LLC → Clinch River Operation**

- 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:** Clinch River Stone, LLC → Clinch River Operation; 2014-11-17 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Omega Holdings LLC → Clinch River Operation; 2014-11-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Omega Holdings LLC → Clinch River Stone, LLC; 2014-11-17 to current/open; source msha-controller-operator-history