This cannonball was excavated by the Field Exploration Committee from a refuse deposit outside the south ramparts of Fort Washington. Built by the Continental Army in the summer of 1776, the fort extended west along 183rd Street between Fort Washington and Pinehurst Avenues. The fort was captured on November 16, 1776 by British and Hessian forces, and was occupied by them until evacuation in 1783. The stamped arrow on t