# Relationship history for MSHA mine 3003380

Current hierarchy: **Town Of Baldwin-NY → Town Of Baldwin → KOLMAN SCREENING PLANT**

- 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:** Town Of Baldwin → KOLMAN SCREENING PLANT; 2001-10-11 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Town Of Baldwin-NY → KOLMAN SCREENING PLANT; 2001-10-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town Of Baldwin-NY → Town Of Baldwin; 2001-10-11 to current/open; source msha-controller-operator-history