What is the wildlife refuge established in 1931 in the United States drained by the East River?
East River (Florida): The East River is a 10 mi river entirely within Wakulla County, Florida, draining part of the St. Marks National Wildlife Refuge into the St. Marks River. St. Marks National Wildlife Refuge: St. Marks National Wildlife Refuge is one of the oldest wildlife refuges in the United States. St. Marks National Wildlife Refuge:  Established in 1931 as a wintering ground for migratory birds, it encompasses 68,000 acres (280 km) spread between Wakulla, Jefferson, and Taylor Counties in the state of Florida.
St. Marks National Wildlife Refuge