# Relationship history for MSHA mine 3003803

Current hierarchy: **Town Of Trenton-NY → Town of Trenton → Mapledale Rd. 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Town Of Trenton-NY → Mapledale Rd. Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Town of Trenton → Mapledale Rd. Pit; 2011-04-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town Of Trenton-NY → Town of Trenton; 2011-04-11 to current/open; source msha-controller-operator-history