Region
Nevada
14
California
13
New Mexico
9
United States
7
Florida
6
New Hampshire
4
Illinois
3
Iowa
3
Massachusetts
3
Minnesota
3
New York (State)
3
Puerto Rico
3
San Joaquin Valley
3
Snake River Plain (Idaho and Or.)
3
Texas
3
Yucca Mountain
3
Aberdeen Proving Ground
2
Alaska
2
Albuquerque
2
Carson River
2
Colorado
2
Columbia Plateau
2
Douglas County
2
Floridan Aquifer
2
Great Basin
2
Indiana
2
Jacksonville Region
2
Linn County
2
Maryland
2
Michigan
2
Missouri
2
Nevada Test Site
2
Pennsylvania
2
Sheffield Region
2
Tennessee
2
Utah
2
Virginia
2
Washington (State)
2
West (U.S.)
2
Yucca Mountain Region
2
Albany Region
1
Alpine County
1
Amargosa Desert (Nev. and Calif.)
1
Anchorage Region
1
Arizona
1
Barstow Region
1
Bernalillo County
1
Branson Region
1
British Columbia
1
Broome County
1
more ...