# Relationship history for MSHA mine 3700202

Current hierarchy: **Joseph R Vinagro → J.R. VINAGRO CORPORATION → HOPKINS HILL QUARRY**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Joseph R Vinagro → HOPKINS HILL QUARRY; 1999-04-28 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Hopkins Hill Sand & Stone LLC → HOPKINS HILL QUARRY; 2007-02-28 to 2024-01-11; source msha-controller-operator-history
- **controller_controls_mine:** Stephen A  Cardi  et al → HOPKINS HILL QUARRY; 2007-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stephen A  Cardi  et al → Hopkins Hill Sand & Stone LLC; 2007-02-28 to 2024-01-11; source msha-controller-operator-history
- **operator_operates_mine:** J.R. Vinagro Corporation → HOPKINS HILL QUARRY; 2024-01-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Joseph R Vinagro → J.R. Vinagro Corporation; 2024-01-12 to current/open; source msha-controller-operator-history