# Relationship history for MSHA mine 2700501

Current hierarchy: **Thomas R Saari; Travis D Saari → Saari Excavating LLC → Saari Excavating LLC**

- 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:** Saari Excavating LLC → Saari Excavating LLC; 2016-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas R Saari et al → Saari Excavating LLC; 2016-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas R Saari et al → Saari Excavating LLC; 2016-11-07 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Travis D Saari et al → Saari Excavating LLC; 2016-11-07 to current/open; source msha-controller-operator-history
