Cheryl, I'd be surprised if this refers to anything other than what is now called the Housatonic River. You'll find a great deal of information at: http://www.hvathewatershedgroup.org/housatonicFactSheet.htm Excerpt: The Indians named the river "usi-a-di-en-uk" which meant "beyond the mountain place". The river was sometimes known as "Potatuck", or the "Great River", until the 18th century. and: The Housatonic River flows 149 miles from its four sources in western Massachusetts. Following a south to southeasterly direction, the river passes through western portions of Massachusetts and Connecticut before reaching its destination at Long Island Sound at Milford Point. Best of luck, Brian