# Relationship history for MSHA mine 3000906

Current hierarchy: **Michael  Vitale; Paul  Vitale → Robinson Concrete Inc → Franklin Street Road Pit & Satellites**

- 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

- **operator_operates_mine:** Robinson Concrete Inc → Franklin Street Road Pit & Satellites; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Vitale et al → Franklin Street Road Pit & Satellites; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Vitale et al → Robinson Concrete Inc; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul  Vitale et al → Robinson Concrete Inc; 1950-01-01 to current/open; source msha-controller-operator-history