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State Parks

Published by Lake County Illinois GIS | Lake County, Illinois | Metadata Last Checked: February 19, 2026 | Last Modified: 2026-02-15T12:11:51.123Z
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 on the legal descriptions from those documents, which relate to existing parcel, municipal, township and PLSS features. Attributes include the park name. Update Frequency: This dataset is updated on a weekly basis.

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