# Relationship history for MSHA mine 4300476

Current hierarchy: **Town Of Royalton-Vt → Town Of Royalton → CRAWFORD'S 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 Royalton → CRAWFORD'S PIT; 1992-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Town Of Royalton-Vt → CRAWFORD'S PIT; 1992-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Town Of Royalton-Vt → Town Of Royalton; 1992-04-01 to current/open; source msha-controller-operator-history