William Clark Company Thread Mill

The William Clark Company Thread Mill is a historic textile mill complex at Pawcatuck Avenue and River Road in the Pawcatuck village of Stonington, Connecticut. Developed beginning in 1892, it is a well-preserved example of a late 19th-century mill, which was a major economic force in the region. The mill was listed on the National Register of Historic Places in 2008.
The William Clark Company Thread Mill is located south of the village center of Pawcatuck, overlooking the Pawcatuck River between Pawcatuck Avenue and River Road south of Clark Street. The mill is a complex of brick buildings, the largest of which is four stories in height, measuring 270 by 100 feet . Windows are typically set in segmented-arch openings, and there is a corbelled brick cornice at the top. A square tower projects from the northeast corner; originally five stories in height, it is now slightly taller than the main building. The tower has large windows set in round-arch openings.

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