Passage Key National Wildlife Refuge was created in 1905.
Emiquon National Wildlife Refuge was created in 2000.
The area of Passage Key National Wildlife Refuge is 258,998.8110336 square meters.
Matlacha Pass National Wildlife Refuge was created on 1908-09-26.
Mark Twain National Wildlife Refuge Complex was created in 1958.
Desecheo National Wildlife Refuge was created in 1976.
Catahoula National Wildlife Refuge was created in 1958.
Tetlin National Wildlife Refuge was created in 1980.
Nisqually National Wildlife Refuge was created in 1974.
Toppenish National Wildlife Refuge was created in 1964.
Pahranagat National Wildlife Refuge was created in 1963.
Aroostook National Wildlife Refuge was created in 1998.
Nowitna National Wildlife Refuge was created in 1980.