Later its strong flow was useful for early industry such as grist mills.
It has remained a relatively clean river to date, with wildlife including birds, turtles, muskrats and fish, but recently has been polluted by sediments from the Graziano Inc. concrete batching operation.
[citation needed] The river was also where Paul Revere opened a nail mill, which remained open after his death until the 1860s, when the Mill was retooled.
[citation needed] The river is home to a variety of aquatic life.
You can help Wikipedia by expanding it.This article related to a river in Massachusetts is a stub.