Illinois State Geological Survey
related: Illinois
broader: survey organization
preferred label: سازمان زمین‌شناسی ایالت ایلینویز @fa
type: Concept

Illinois
preferred label: ایلینویز @fa
type: Concept
related: Illinois State Geological Survey

survey organization
preferred label: سازمان نقشه‌برداری @fa
type: Concept
narrower: Illinois State Geological Survey