# Relationship history for MSHA mine 1901051

Current hierarchy: **S M Lorusso & Sons Inc → Cape Cod Aggregates Corp → VICTORY SAND & GRAVEL**

- 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:** S M Lorusso & Sons Inc → VICTORY SAND & GRAVEL; 1983-03-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Victory Sand & Gravel Inc → VICTORY SAND & GRAVEL; 1996-11-01 to 1998-03-31; source msha-controller-operator-history
- **controller_controls_mine:** David V  Peterson Jr → VICTORY SAND & GRAVEL; 1996-11-01 to 1998-03-31; source msha-controller-operator-history
- **controller_controls_operator:** David V  Peterson Jr → Victory Sand & Gravel Inc; 1996-11-01 to 1998-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Cape Cod Aggregates Corp → VICTORY SAND & GRAVEL; 1998-04-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** S M Lorusso & Sons Inc → Cape Cod Aggregates Corp; 1998-04-01 to current/open; source msha-controller-operator-history