Kofa National Wildlife Refuge was established from public lands on January 25, 1939, by Executive Order 8039 for the protection of desert bighorn sheep.
Havasu National Wildlife Refuge, originally named Havasu Lake National Wildlife Refuge, was established by Executive Order by President Franklin D. Roosevelt in 1941 for the primary purpose of providing migratory bird habitat.
Located in Southwest Arizona, Cabeza Prieta National Wildlife Refuge was originally established in 1939 as a game range to conserve and develop wildlife and other natural resources.
