Pea Patch Island, part of the state of Delaware, sits in the channel of the river facing the promontory.

The area in Delaware was previously protected as Killcohook National Wildlife Refuge but is now a confined disposal facility used by the U.S. Army Corps of Engineers.

[12] which bears the name of the a prominent Salem County family, including Thomas Sinnickson and his descendants.

In 1641, a group of 60 settlers (20 families) from the New Haven Colony (in today's Connecticut) purchased land along the kill.

du Pont de Nemours and Company facilities upriver at Carneys Point Township, New Jersey, as well as the port of Philadelphia.