# Relationship history for MSHA mine 2402068

Current hierarchy: **Vincent P  Hudak; Kevin J  Hudak → Hudak Excavation Inc → HUDAK PIT**

- 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:** Hudak Excavation Inc → HUDAK PIT; 1994-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kevin J  Hudak et al → HUDAK PIT; 1994-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kevin J  Hudak et al → Hudak Excavation Inc; 1994-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Vincent P  Hudak et al → Hudak Excavation Inc; 1994-11-01 to current/open; source msha-controller-operator-history