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State Parks
Download In State Plane Projection Here. Park district boundaries are based on legal documents filed in the office of the Recorder of Deeds and on court orders. Mapping is based... -
Natural Resources Data Dictionary
An in-depth description of the various Natural Resources GIS data layers outlining terms of use, update frequency, attribute explanations, and more. District data layers... -
Lake County Historic Aerials
View our timeline of Lake County Aerial Photography dating back to 1939. Want to know how your neighborhood has changed over 75 years? Type in your address and click the play... -
Judicial Subdistrict 12 Precinct Map Book
Judicial Subdistrict 12 Precinct Map Book - 2022 -
2017 Countywide LiDAR Point Cloud
Click here to access the data directly from the Illinois State Geospatial Data Clearinghouse. These lidar data are processed Classified LAS 1.4 files, formatted to 2,117... -
Trail Centerline Data Dictionary
An in-depth description of the Trail Centerline GIS dataset outlining terms of use, update frequency, attribute explanations, and more. -
2007 Lake County Aerial - SE Quarter
This six inch pixel resolution color aerial photography was flown between April 16, 2007 and May 7, 2007. The files are provided in JPEG2000, an open format supported by most... -
Judicial Subdistrict 2 Precinct Map Book
Judicial Subdistrict 2 Precinct Map Book - 2022 -
Lake Forest Special Service Area 38
Lake Forest Special Service Area 38 -
Lake Barrington Special Service Area 4
Lake Barrington Special Service Area 4 -
Lake Bluff Elementary School Dictrict 65
Lake Bluff Elementary School Dictrict 65
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