# Relationship history for MSHA mine 4407321

Current hierarchy: **Alpha Natural Resources, Inc. → Paramont Coal Company VA, LLC → Southern Gap**

- 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:** Alpha Natural Resources, Inc. → Southern Gap; 2002-12-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Paramont Coal Company VA, LLC → Southern Gap; 2014-05-13 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Alpha Natural Resources, Inc. → Paramont Coal Company VA, LLC; 2014-05-13 to current/open; source msha-controller-operator-history