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Historical Markers and War Memorials in Chatham
Hudson is the county seat for Columbia County
Chatham is in Columbia County
ADJACENT TO COLUMBIA COUNTY Rensselaer County (203) ► Berkshire County, Massachusetts (179) ►
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| On Main Street, on the right when traveling north. |
| On New York State Route 66 0.1 miles north of Farm Road, on the right when traveling north. |
| On Main Street at Route 66 and, on the right when traveling north on Main Street. |
| On Hudson Avenue at Park Row and Depot Square, in the median on Hudson Avenue. |
| On Iron Hill Road (County Route 9) at Raup Road, on the right when traveling west on Iron Hill Road. |
| On River Street near Main Street, on the right. |
| On Main Street, on the right when traveling north. |
Nov. 13, 2026