Warren Wilkinson built the Springfield Blanket Company on the Third Level Canal. They are a horse blanket firm. They made a million blankets a year at peak. The mill was organized May 2 1870 and incorporated Dec of 1919. When Warren died in 1892 his nephew Edward Wilkinson took over. The land that Warren Wilkinson owned in the southern part of Holyoke was taken over by the Catholic bishop of Springfield and turned into Brightside.
Sanborn map analysis:
Sanborn 1949 map shows an empty lot
Horses were very important in Holyoke like the rest of the country. Below is a horseshoer ad in the city directory.