Trinity River National Wildlife Refuge was created in 1994.
Sayville National Wildlife Refuge was created in 1993.
The area of Sayville National Wildlife Refuge is 513,950.76564480003 square meters.
Emiquon National Wildlife Refuge was created in 2000.
Matlacha Pass National Wildlife Refuge was created on 1908-09-26.
Cibola National Wildlife Refuge was created in 1964.
Copalis National Wildlife Refuge was created in 1907.
Rydell National Wildlife Refuge was created in 1992.
Delevan National Wildlife Refuge was created in 1962.
Modoc National Wildlife Refuge was created in 1961.
Aransas National Wildlife Refuge was created in 1937.
Breton National Wildlife Refuge was created in 1904.
Featherstone National Wildlife Refuge was created in 1970.
Chassahowitzka National Wildlife Refuge was created in 1941.