Bone Hill Creek National Wildlife Refuge was created in 1939.
Bitter Creek National Wildlife Refuge was created in 1985.
McKay Creek National Wildlife Refuge was created in 1991.
Cypress Creek National Wildlife Refuge was created in 1990.
Pond Creek National Wildlife Refuge was created in 1994.
Whittlesey Creek National Wildlife Refuge was created in 1999.
Squaw Creek National Wildlife Refuge was created in 1935.
St. Catherine Creek National Wildlife Refuge was created in 1990.
The area of Bitter Creek National Wildlife Refuge is 57.049 square kilometers.
The area of McKay Creek National Wildlife Refuge is 7,432,051.8197376 square meters.
The area of Cypress Creek National Wildlife Refuge is 64.75 square kilometers.
The area of Pond Creek National Wildlife Refuge is 110.479 square kilometers.
The area of Whittlesey Creek National Wildlife Refuge is 1,331,415.7629696 square meters.