McConnell's Windmill

It was built in 1825, and is a coursed rubble stone structure measuring 40 feet tall and 77 feet in circumference.

The building has been used as a jail and as an Air Warning System Observation Post (N. 69 c) during World War II.

[2]: 5  It is the only windmill on the American side of the St. Lawrence Valley.

It was listed on the National Register of Historic Places in 1982.

This article about a historic property or district in St. Lawrence County, New York, that is listed on the National Register of Historic Places, is a stub.