Region
United States
71
États-Unis
42
Former Soviet republics
3
Barnwell County
2
Colorado
2
Ex-URSS
2
Massachusetts
2
South Carolina
2
Soviet Union
2
Texas
2
Amérique du Nord
1
Barnwell (Comté)
1
California
1
Carlsbad
1
Caroline du Sud
1
Eastern Europe
1
Europe de l'Est
1
Europe, Eastern
1
Florida
1
Fresno
1
Garfield County
1
Hanford
1
Idaho
1
Idaho National Laboratory Region
1
Illinois
1
Iowa
1
Lake Buena Vista
1
Longmont
1
Medway
1
Nebraska
1
New Mexico
1
North America
1
Northwest, Pacific
1
Nouveau-Mexique
1
Sanford
1
Scotts Bluff County
1
Storage
1
Tennessee
1
Vicksburg Formation
1
Washington (State)
1
West (U.S.)
1
West Branch
1