Subject Region
United States
79
California
14
Developing countries
9
Appalachian Region
6
Canada
6
New York (State)
6
Standing Rock Indian Reservation (N.D. and S.D.)
5
Europe
4
Former Soviet republics
4
West Virginia
4
Australia
3
Brazil
3
Caribbean Area
3
Colombia
3
Latin America
3
Louisiana
3
Michigan
3
New York
3
North America
3
Santa Clara Valley (Santa Clara County)
3
South Africa
3
South Asia
3
Alabama
2
Alaska
2
Amazon River Region
2
Anniston
2
Anniston (Ala.)
2
Asia
2
Bolivia
2
Chicago
2
Contra Costa County
2
Contra Costa County (Calif.)
2
Flint
2
Flint (Mich.)
2
Flint River
2
Illinois
2
Indian Ocean Region
2
Indiana
2
Indianapolis
2
Indianapolis (Ind.)
2
Los Angeles Region
2
Mexican-American Border Region
2
Mexico
2
New Mexico
2
Nicaragua
2
North Dakota
2
Pennsylvania
2
Philadelphia Region
2
Philadelphia Region (Pa.)
2
South Gate
2
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