Matlacha Pass National Wildlife Refuge was created on 1908-09-26.
Chickasaw National Wildlife Refuge was created in 1985.
Laguna Cartagena National Wildlife Refuge was created in 1989.
Lower Rio Grande Valley National Wildlife Refuge was created in 1979.
Camas National Wildlife Refuge was created in 1937.
The area of Matlacha Pass National Wildlife Refuge is 2,177,208.7552512 square meters.
Emiquon National Wildlife Refuge was created in 2000.
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.
Chassahowitzka National Wildlife Refuge was created in 1941.