# Relationship history for MSHA mine 3002411

Current hierarchy: **Town Of Canandaigua-NY → Town Of Canandaigua → EAST BLOOMFIELD 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

- **operator_operates_mine:** Town Of Canandaigua → EAST BLOOMFIELD PIT; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Town Of Canandaigua-NY → EAST BLOOMFIELD PIT; 1979-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town Of Canandaigua-NY → Town Of Canandaigua; 1979-01-01 to current/open; source msha-controller-operator-history