Region
Canada
12
United States
12
East Asia
5
Japan
3
Pacific Rim
3
Prudhoe Bay to Valdez route
3
Tetlin National Wildlife Refuge
2
Alaska Highway corridor
1
Dalton Highway
1
Kenai Spur Highway
1
Mackenzie River Valley
1
Nikiski
1
North Slope
1
Port MacKenzie
1
Prudhoe Bay
1
Sadlerochit Reservoir
1
Yerrick Creek
1