# Relationship history for MSHA mine 3003787

Current hierarchy: **Town Of Johnsburg-NY → TOWN OF JOHNSBURG → TOWN SAND 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 Johnsburg-NY → TOWN SAND PIT; 1981-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Town of Johnsburg → TOWN SAND PIT; 2010-10-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town Of Johnsburg-NY → Town of Johnsburg; 2010-10-20 to current/open; source msha-controller-operator-history