# Relationship history for MSHA mine 5001735

Current hierarchy: **Dave  Fulton → Nuvuk Construction LLC → Nuvuk Crusher # 65010**

- 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:** Nuvuk Construction LLC → Nuvuk Crusher # 65010; 2002-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Dave  Fulton et al → Nuvuk Crusher # 65010; 2002-06-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Dave  Fulton et al → Nuvuk Construction LLC; 2002-06-12 to current/open; source msha-controller-operator-history