# Relationship history for MSHA mine 4407326

Current hierarchy: **Omega Holdings LLC → Omega Surface Mining, LLC → Louis Lowe Surface Mine**

- 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:** Omega Holdings LLC → Louis Lowe Surface Mine; 2011-08-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Omega Surface Mining, LLC → Louis Lowe Surface Mine; 2014-08-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Omega Holdings LLC → Omega Surface Mining, LLC; 2014-08-26 to current/open; source msha-controller-operator-history