# Relationship history for MSHA mine 1401693

Current hierarchy: **Stanton County-KS → Stanton County Road Dept. → Syracuse Dairy 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Stanton County-KS → Syracuse Dairy Pit; 2008-08-14 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Stanton County Road Dept. → Syracuse Dairy Pit; 2010-06-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stanton County-KS → Stanton County Road Dept.; 2010-06-29 to current/open; source msha-controller-operator-history