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city, Cumberland county, southwestern New Jersey, U.S. It lies at the head of navigation on the Maurice River, 45 miles (72 km) south of Philadelphia, Pennsylvania. Union Lake, formed by a dam (1806), is to the northwest. The earliest settlers were woodcutters who built cabins along the riverbank in the late 1700s. Once a part of Maurice River and Fairfield townships and known successively as Shingle Landing, Maurice River Bridge, and The Bridge, the town was laid out by Joseph Buck, who named it for the local mills.