Greenfield Valley Heritage Park is home to millponds, streams, and historic factories all connected by a pleasant one and a half-mile walking path. This park contains almost 2,000 years of history. Some of the industries founded in this area included copper, flannel, and flour mills, along with soft drink works which still exist today. The Greenfield Valley Heritage Park is probably best known for its papermaking industry. A paper mill has been located on this site since 1770. The location was chosen for the development of a water-powered mill due to the…