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All Freedom of Information Act (FOIA) requests must go through IDNR's FOIA program. Please click here for more information.

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Contact Information

State Historic Preservation Office
(Preservation Services)
IDNR-One Natural Resources Way
Springfield, IL 62702-1271
(217) 782-4836

Historic Sites
DNR-One Natural Resources Way
Springfield, IL. 62702-1271
(217) 782-6302

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Illinois Department of Natural Resources