[1] It was a nine-gun earthwork located at the mouth of the Merrimack River at what is now the Salisbury Beach State Reservation, where eventual erosion washed it away.

[2] A 1903 reference states it was on the site of the Revolutionary War Fort Nichols, but that site is in doubt, and may have been at the location called Salisbury Point in Amesbury, several miles up the river.

[1] The fort was designed and built under the supervision of Major Charles E. Blunt of the United States Army Corps of Engineers.

[1] From November 1864 to June 1865 it was garrisoned by the 20th Unattached Company of Massachusetts militia.

[6] The Museum at Salisbury Point commemorates the soldiers who fought in the war.