# Relationship history for MSHA mine 3004157

Current hierarchy: **Caleb  Barnes; Jeffrey  Barnes; Jeffrey  Barnes → JBARNES LLC → OLD HANDSOME BLUESTONE 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:** JBarnes LLC → OLD HANDSOME BLUESTONE QUARRY; 2025-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey  Barnes et al → OLD HANDSOME BLUESTONE QUARRY; 2025-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey  Barnes et al → JBarnes LLC; 2025-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Caleb  Barnes et al → JBarnes LLC; 2025-06-02 to current/open; source msha-controller-operator-history