# Relationship history for MSHA mine 2602805

Current hierarchy: **Trabits Group, LLC; D.R. Smith, LLC → Oreana Energy LLC → North Star**

- 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:** Oreana Energy LLC → North Star; 2017-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Trabits Group, LLC et al → North Star; 2017-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Trabits Group, LLC et al → Oreana Energy LLC; 2017-01-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** D.R. Smith, LLC et al → Oreana Energy LLC; 2017-01-31 to current/open; source msha-controller-operator-history