Data Catalog

• County

  1939 Lake County Aerial - SE Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July and August 1939. They were scanned in 2001, and georeferenced in...

  • HTML
  • ArcGIS GeoServices REST API
• County

  1939 Lake County Aerial - NW Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July and August 1939. They were scanned in 2001, and georeferenced in...

  • HTML
  • ArcGIS GeoServices REST API
• County

  1946 Lake County Aerial - SE Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July 1946 by the United States Geological Survey. They were then...

  • HTML
  • ArcGIS GeoServices REST API
• County

  1946 Lake County Aerial - NE Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July 1946 by the United States Geological Survey. They were then...

  • HTML
  • ArcGIS GeoServices REST API
• County

  2017 Countywide Contours

  Lake County, Illinois —

  Download In State Plane Projection HereClick here to access additional data directly from the Illinois State Geospatial Data Clearinghouse.The contours are created...

  • HTML
  • ArcGIS GeoServices REST API
• County

  Federal Township Plats - 1840

  Lake County, Illinois —

  This dataset is a derivative of the Federal Township Plats for Lake County, Illinois, the originals of which were captured on a high-resolution scanner by the...

  • HTML
  • ArcGIS GeoServices REST API
• County

  1939 Lake County Aerial - SW Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July and August 1939. They were scanned in 2001, and georeferenced in...

  • HTML
  • ArcGIS GeoServices REST API
• County

  1939 Lake County Aerial - NE Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July and August 1939. They were scanned in 2001, and georeferenced in...

  • HTML
  • ArcGIS GeoServices REST API
• County

  1946 Lake County Aerial - NW Quarter

  Lake County, Illinois —

  This two foot pixel resolution black and white aerial photography was flown on various dates in July 1946 by the United States Geological Survey. They were then...

  • HTML
  • ArcGIS GeoServices REST API

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