# Relationship history for MSHA mine 4609520

Current hierarchy: **Targe Energy LLC → Warrior Energy Resources, LLC → Sewell Valley #1**

- 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:** Warrior Energy Resources, LLC → Sewell Valley #1; 2016-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Targe Energy LLC → Sewell Valley #1; 2016-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Targe Energy LLC → Warrior Energy Resources, LLC; 2016-10-18 to current/open; source msha-controller-operator-history