Historical Markers in Harsens Island

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2 entries match your criteria.

Historical Markers in Harsens Island

Port Huron is the county seat for St. Clair County

Harsens Island is in St. Clair County

St. Clair County (147) ►

ADJACENT TO ST. CLAIR COUNTY

Lapeer County (42) ►

Macomb County (180) ►

Sanilac County (51) ►

Lambton County, Ontario (40) ►

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1 ► Michigan, St. Clair County, Harsens Island — 631 — Harsen House —

2 ► Michigan, St. Clair County, Harsens Island — 2128 — Stewart Farm / Memoir of Aura Stewart —

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Nov. 13, 2026