# Relationship history for MSHA mine 3003255

Current hierarchy: **Joseph G  Bucci → American Rock Salt Company LLC → Hampton Corners Mine and Retsof Bagging**

- 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:** American Rock Salt Company LLC → Hampton Corners Mine and Retsof Bagging; 1998-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Joseph G  Bucci et al → Hampton Corners Mine and Retsof Bagging; 1998-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph G  Bucci et al → American Rock Salt Company LLC; 1998-11-01 to current/open; source msha-controller-operator-history