# Relationship history for MSHA mine 3000662

Current hierarchy: **Joseph G  Bucci → American Rock Salt Company LLC → Retsof Screening/Bagging Facility**

- 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:** Gene Dewitt Corporation → Retsof Screening/Bagging Facility; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Akzo Nobel Salt Inc → Retsof Screening/Bagging Facility; 1950-01-01 to 1997-07-22; source msha-controller-operator-history
- **controller_controls_mine:** Akzo Nobel N V → Retsof Screening/Bagging Facility; 1950-01-01 to 1997-07-22; source msha-controller-operator-history
- **controller_controls_operator:** Akzo Nobel N V → Akzo Nobel Salt Inc; 1950-01-01 to 1997-07-22; source msha-controller-operator-history
- **operator_operates_mine:** Genesee Le Roy Stone Corp → Retsof Screening/Bagging Facility; 1997-07-23 to 2000-09-17; source msha-controller-operator-history
- **controller_controls_operator:** Gene Dewitt Corporation → Genesee Le Roy Stone Corp; 1997-07-23 to 2000-09-17; source msha-controller-operator-history
- **controller_controls_mine:** Joseph G  Bucci et al → Retsof Screening/Bagging Facility; 1998-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** American Rock Salt Company LLC → Retsof Screening/Bagging Facility; 2000-09-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph G  Bucci et al → American Rock Salt Company LLC; 2000-09-18 to current/open; source msha-controller-operator-history