# Relationship history for MSHA mine 1401710

Current hierarchy: **Gary  Servaes → Gary Servaes Enterprises → Atchison Quarry**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Gary  Servaes → Atchison Quarry; 2002-05-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Gary Servaes Enterprises → Atchison Quarry; 2009-10-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Servaes → Gary Servaes Enterprises; 2009-10-05 to current/open; source msha-controller-operator-history