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Historical Markers in Ontonagon County, Michigan
Ontonagon is the county seat for Ontonagon County
Adjacent to Ontonagon County, Michigan
Gogebic County (14) ► Houghton County (24) ► Iron County (26) ► Keweenaw County (38) ► Cook County, Minnesota (37) ► Ashland County, Wisconsin (20) ►
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| Near River Road north of Lakeshore Road, on the left when traveling north. |
| Near South Boundary Road south of Headquarters Road, on the right when traveling south. |
May. 5, 2024