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Mercer County

  • Keithsburg, Keithsburg Bridge, Sixteenth Street spanning Pope Creek (HAER IL-34)
  • New Boston, Upper Mississippi River 9-Foot Channel Project, Lock & Dam No. 17 (HAER IL-28)

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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