# Relationship history for MSHA mine 3004170

Current hierarchy: **Josh  Axtell → ICBS 1 → Decker 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

- **controller_controls_mine:** Josh  Axtell → Decker Quarry; 2024-09-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** ICBS 1 → Decker Quarry; 2025-09-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Josh  Axtell → ICBS 1; 2025-09-16 to current/open; source msha-controller-operator-history