Claim: Supawna Meadows National Wildlife Refuge, a component of the Delaware River estuary located in Salem County, New Jersey, United States, covers a land area of 3,230.55 acres (13 km) governed by U.S. Fish and Wildlife Service.
Evidence: A component of the Delaware River estuary in Salem County, New Jersey, it is just north of the Salem River and south of Pennsville. Salem County, New Jersey, United States 3,230.55 acres (13 km) U.S. Fish and Wildlife Service