# Relationship history for MSHA mine 3003925

Current hierarchy: **Town of Constantia - NY → Town of Constantia → Kolberg Screen #124-50 3077-124-50-78**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **controller_controls_mine:** Town of Constantia - NY → Kolberg Screen #124-50 3077-124-50-78; 2004-09-16 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Town of Constantia → Kolberg Screen #124-50 3077-124-50-78; 2014-07-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town of Constantia - NY → Town of Constantia; 2014-07-30 to current/open; source msha-controller-operator-history