# Relationship history for MSHA mine 2103949

Current hierarchy: **Fairbault County-MN → Faribault County → Baker Pit**

- 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:** Faribault County → Baker Pit; 2019-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Fairbault County-MN → Baker Pit; 2019-06-14 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Fairbault County-MN → Faribault County; 2019-06-14 to current/open; source msha-controller-operator-history