Region
United States
782
Colorado
134
Europe
60
California
21
Great Britain
18
Denver
13
Alaska
12
Latin America
12
North America
12
Canada
11
West (U.S.)
10
New York (State)
9
Wyoming
9
China
8
England
8
Japan
8
Arizona
7
Mexico
7
Montana
7
New Mexico
7
Utah
7
Southwest, New
6
Florida
5
Hawaii
5
Southern States
5
Texas
5
Washington (State)
5
American Samoa
4
Caribbean Area
4
France
4
Gabon
4
Maryland
4
Massachusetts
4
Mexico, Gulf of
4
Nevada
4
Puerto Rico
4
United States Virgin Islands
4
Antarctica
3
Australia
3
Brazil
3
California, Southern
3
Denver (Colo.)
3
Former Soviet republics
3
Greece
3
Guam
3
Middle East
3
Monterey Bay National Marine Sanctuary (Calif.)
3
New York (N.Y.)
3
North Atlantic Ocean
3
Soviet Union
3
more ...