Region
United States
105
Mexican-American Border Region
12
Colorado
9
Europe
5
Mexico
3
Africa
2
Eindhoven
2
Europe, Eastern
2
Foreign countries
2
India
2
Louisiana
2
Netherlands
2
New York
2
New York (State)
2
North America
2
Texas
2
Akwesasne Indian Reserve (Québec and Ont.)
1
Alaska
1
Arctic regions
1
Canada
1
Caribbean Area
1
Developing countries
1
Europe, Central
1
Former Soviet republics
1
Galapagos Islands
1
Great Britain
1
Great Lakes (North America)
1
Great Salt Lake Valley
1
Islands of the Pacific
1
Latin America
1
Melanesia
1
Michigan
1
Mozambique
1
New Orleans
1
Papua New Guinea
1
Phra Nakhon Si Ayutthaya
1
Russia (Federation)
1
Santa Cruz River Watershed (Ariz. and Mexico)
1
Santee River Watershed
1
South Carolina
1
Southeast Asia
1
Southern States
1
Thailand
1
Tropics
1
United Arab Emirates
1
Utah
1
Washington (D.C.)
1