Region
Alaska
104
California
100
North America
61
United States
53
Wyoming
52
Texas
51
West (U.S.)
50
Nevada
44
Colorado
35
Utah
34
New Mexico
32
Oregon
26
Kentucky
25
New York (State)
25
Montana
24
Idaho
21
Great Basin
19
Washington (State)
16
Arkansas
15
'Eua Island
14
Kansas
14
Tonga
14
Maine
13
Mexico
13
Panama
13
Canal Zone
12
North Carolina
11
South Dakota
11
Baja California (Peninsula)
10
Maryland
10
Mississippi
10
New Jersey
10
Florida
9
Virginia
9
China
8
Pennsylvania
8
Arizona
7
Canada
7
Gulf States
7
Oklahoma
7
South Carolina
7
Tennessee
7
Arctic regions
6
Brooks Range
6
Georgia
6
Japan
6
Marshall Islands
6
Midway Islands
6
Missouri
6
Nebraska
6
more ...