The spinning room in operation in the 1990s at the former Carleton Woolen Mill in Winthrop, which closed in 2002.

This post card showing the former Carleton Woolen Mill in Winthrop was mailed in 1949.

This circa 1905 post card shows the construction of Mill #1 of the former Carleton Woolen Mill in Winthrop.

The former Carleton Woolen Mill on Main Street in Winthrop was recently selected to be placed on the National Register of Historic Places.