# Relationship history for MSHA mine 4105415

Current hierarchy: **Carl L  Mitchell → Carousel Energy Services → Poteet 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:** Carousel Energy Services → Poteet Plant; 2019-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Carl L  Mitchell → Poteet Plant; 2019-02-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Carl L  Mitchell → Carousel Energy Services; 2019-02-20 to current/open; source msha-controller-operator-history