Gazetteer/Almanac
Headnote
Amesbury, Ms., Essex co. On the N. side of Merrimac River, separated from Salisbury by Powow River, a stream navigable for some distance for vessels of 300 tons. A pond, covering about 1000 acres, back of the town, 90 feet above the sea, serves as a reservoir for a constant and extensive water power. That part of the town called "The Mills" is at the lower falls of the Powow. The river here is about 2 rods in width, and is crossed by several bridges... (Gazetteer of the United States of America, 1854)