 Its northern boundary was South Street and below the existing parts of Southwark; its eastern boundary was the Delaware River, and its western boundary was Schuylkill Sixth (Seventeenth Street).In 1816 the greatest length of Moyamensing was estimated to be 3 miles; the greatest breadth, 2 miles; area, 2,560 acres (10 km²).By act of March 24, 1812, the inhabitants of Moyamensing were incorporated by the style of "the commissioners and inhabitants of the township of Moyamensing."