Region
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Russia (Federation)
47
Utah
47
Arkansas
45
Georgia
44
Illinois
43
Michigan
43
Louisiana
42
Minnesota
42
Spain
41
Turkey
41
Colombia
40
Kentucky
39
Russia
39
Southeast Asia
39
Alabama
38
Nebraska
38
Soviet Union
38
Israel
37
Ohio
37
Indonesia
36
Wisconsin
36
Iowa
35
Middle East
35
Arctic National Wildlife Refuge
34
European Union countries
34
Missouri
34
Northeastern States
34
Africa, Southern
33
Arctic National Wildlife Refuge (Alaska)
32
British Columbia
32
Greece
32
Indiana
32
Maryland
31
New Zealand
31
Yellowstone National Park
31
Iran
30
Ontario
29
West Virginia
29
Caribbean Area
28
Mexico, Gulf of
27
New Jersey
27
Rome
27
Antarctica
26
New England
26
Tanzania
26
Alberta
25
Amazon River Region
25
Great Plains
25
East (U.S.)
24
Middle West
24
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