Region
United States
43
California
13
États-Unis
13
China
8
West (U.S.)
8
New York (State)
7
Northwest, Pacific
7
Pennsylvania
6
Canada
5
France
5
Italy
5
North America
5
Pacific Northwest
5
Pacific Ocean
5
Alaska
4
Californie
4
Developing countries
4
Gulf Coast (U.S.)
4
Hudson River Valley (N.Y. and N.J.)
4
Mexico
4
Mexico, Gulf of
4
New Mexico
4
New York
4
Pennsylvanie
4
West United States
4
Arctic Regions
3
Arctic regions
3
Chile
3
Colombia
3
Ecuador
3
Idaho
3
Latin America
3
Louisiana
3
Louisiane
3
New York (N.Y.)
3
North Carolina
3
Papua New Guinea
3
Porgera
3
Porgera (Papua New Guinea)
3
Santa Monica Bay
3
Santa Monica Bay Region
3
Santa Monica Bay Region (Calif.)
3
Southern States
3
Spring Valley (Washington, D.C.)
3
Texas
3
Washington (D.C.)
3
Alabama
2
Amazon River Region
2
Amérique du Nord
2
Anniston
2
more ...