# Relationship history for MSHA mine 3503973

Current hierarchy: **Anthony  Morello → Morello Construction LLC → Westside 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Morello Construction LLC → Westside Quarry; 2025-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Anthony  Morello → Westside Quarry; 2025-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Anthony  Morello → Morello Construction LLC; 2025-04-24 to current/open; source msha-controller-operator-history