Moapa Valley National Wildlife Refuge was created in 1979.
Bear Valley National Wildlife Refuge was created in 1978.
Minnesota Valley National Wildlife Refuge was created in 1976.
Canaan Valley National Wildlife Refuge was created in 1994.
Rappahannock River Valley National Wildlife Refuge was created in 1996.
Emiquon National Wildlife Refuge was created in 2000.
Matlacha Pass National Wildlife Refuge was created on 1908-09-26.
The area of Moapa Valley National Wildlife Refuge is 428,966.7807744 square meters.
The area of Cherry Valley National Wildlife Refuge is 748,668.438144 square meters.
The area of Rappahannock River Valley National Wildlife Refuge is 33.148 square kilometers.
The area of Lower Rio Grande Valley National Wildlife Refuge is 367.406 square kilometers.
Kesterson National Wildlife Refuge was established in 1986. It was created to provide habitat for migratory birds and other wildlife in the San Joaquin Valley of California. The refuge gained attention due to environmental issues related to agricultural runoff and its impact on wildlife.
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