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Facility Site Polygons

Published by Lake County Illinois GIS | Lake County, Illinois | Metadata Last Checked: April 16, 2026 | Last Modified: 2026-04-12T11:17:04.542Z
Download In State Plane Projection Here. Landmark (Facility Site) point and polygons utilize the Esri Local Government Information model to structure the attribute data. Polygon features are mapped by tax parcel with updates occurring on a weekly basis as either parcel or feature changes are detected. Update Frequency: This dataset is updated on a weekly basis.

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