Region
Alaska
Arctic National Wildlife Refuge
2
Arctic National Wildlife Refuge (Alaska)
2
Yukon Flats National Wildlife Refuge (Alaska)
2
Brooks Range
1
Innoko National Wildlife Refuge
1
Innoko National Wildlife Refuge (Alaska)
1
Kenai National Wildlife Refuge
1
Kenai National Wildlife Refuge (Alaska)
1
Koyukuk River Watershed
1
Squirrel River Watershed
1
Squirrel River Watershed (Alaska)
1
United States
1