# Relationship history for MSHA mine 4105245

Current hierarchy: **Lewie  Byers; David J  Durrett → Acentus Rusk, LLC → Lone Star 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Acentus Rusk, LLC → Lone Star Plant; 2017-03-16 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David J  Durrett et al → Lone Star Plant; 2017-03-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David J  Durrett et al → Acentus Rusk, LLC; 2017-03-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lewie  Byers et al → Acentus Rusk, LLC; 2017-03-16 to current/open; source msha-controller-operator-history