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Start Over Place Illinois Theme Boundaries Publisher Illinois State Geological Survey

1. County Boundary Lines Illinois 2003

Datasets American Geographical Society Library - UWM Libraries Public content
2003. Illinois State Geological Survey. This line data layer represents county boundaries for Illinois in 2003. The dataset was originally published by the Illinois State Geological Surve... Illinois State Geological Survey.

2. County Boundary Polygons Illinois 2003

Datasets American Geographical Society Library - UWM Libraries Public content
2003. This polygon data layer represents counties for Illinois in 2003. The dataset was originally published by the Illinois State Geological Survey in J... Illinois State Geological Survey.