Bitter Lake National Wildlife Refuge was created in 1937.
Bitter Creek National Wildlife Refuge was created in 1985.
The area of Bitter Creek National Wildlife Refuge is 57.049 square kilometers.
The area of Bitter Lake National Wildlife Refuge is 99.294 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.
Desecheo National Wildlife Refuge was created in 1976.
Waccamaw National Wildlife Refuge was created in 1997.
Bamforth National Wildlife Refuge was created in 1932.
Kootenai National Wildlife Refuge was created in 1964.
Mashpee National Wildlife Refuge was created in 1995.
Pinellas National Wildlife Refuge was created in 1951.