# Relationship history for MSHA mine 2000990

Current hierarchy: **Michael C  Sullivan; John  Carretta → Napoleon Stone L.L.C. → Jude Stone 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

- **operator_operates_mine:** Jude Stone Quarry → Jude Stone Quarry; 1950-01-01 to 2005-04-02; source msha-controller-operator-history
- **controller_controls_mine:** Jude  Floyd → Jude Stone Quarry; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jude  Floyd → Jude Stone Quarry; 1950-01-01 to 2005-04-02; source msha-controller-operator-history
- **operator_operates_mine:** Napoleon Stone L.L.C. → Jude Stone Quarry; 2005-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** John  Carretta et al → Jude Stone Quarry; 2005-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** John  Carretta et al → Napoleon Stone L.L.C.; 2005-04-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael C  Sullivan et al → Napoleon Stone L.L.C.; 2005-04-03 to current/open; source msha-controller-operator-history