Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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Line

Highway Jurisdiction: Cook County, Illinois

2015. Cook County GIS Department. This line dataset contains roads under Cook County, Illinois jurisdiction. The MAINT attribute is True" for roads maintained by the County. The dat...

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Edge of Pavement: Lake County, Illinois, United States

Download In State Plane Projection Here. The pavement boundaries were traced from aerial photography taken between April 13 and April 26, 2002 and ...