Key Cave National Wildlife Refuge was created in 1997.
Fern Cave National Wildlife Refuge was created in 1981.
Sauta Cave National Wildlife Refuge was created in 1978.
Logan Cave National Wildlife Refuge was created in 1989.
The area of Fern Cave National Wildlife Refuge is 805,324.4280576 square meters.
The area of Sauta Cave National Wildlife Refuge is 1,068,370.0955136 square meters.
The area of Key Cave National Wildlife Refuge is 4,289,667.807744 square meters.
The area of Logan Cave National Wildlife Refuge is 497,763.33995520003 square meters.
Russell Cave National Monument was created in 1961.
Drovers Cave National Park was created in 1972.
Carlsbad Cave National Monument was created in 1923.
Timpanogos Cave National Monument was created in 1922.
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