Region
United States
12
Navajo Indian Reservation
3
Chornobylʹ
2
England
2
Hanford
2
Southwest, New
2
Ukraine
2
Washington (State)
2
West (U.S.)
2
Fukushima-ken
1
Hiroshima-shi (Japan)
1
India
1
Japan
1
Karshi-Khanabad Air Base
1
Karshi-Khanabad Air Base (Uzbekistan)
1
Marshall Islands
1
Missouri
1
Navajo Nation, Arizona, New Mexico and Utah
1
Pakistan
1
Saint Louis County
1
Saint Louis Metropolitan Area
1
Uzbekistan
1