Muscatatuck National Wildlife Refuge was created in 1966.
The area of Muscatatuck National Wildlife Refuge is 31.889 square kilometers.
Emiquon National Wildlife Refuge was created in 2000.
Matlacha Pass National Wildlife Refuge was created on 1908-09-26.
Mark Twain National Wildlife Refuge Complex was created in 1958.
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.