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Warren County

Ellison, Negro Creek Bridge (HIER WA-2003-1)
Little York vicinity, Campbell Bridge, spanning Cedar Creek at Sumner Township Road 22 (HAER IL-109)
Monmouth, Johnson House, 300 East Archer Avenue (HABS IL-26-23)
Monmouth vicinity, Spring Grove Road Bridge (HIER WA-1997-1)

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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