Region
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Elliot Lake
1
Elliot Lake (Ont.)
1
Front Range
1
Front Range (Colo. and Wyo.)
1
Grand Canyon Region
1
Great Bear Lake Region
1
Hiroshima-shi (Japan)
1
India
1
Jefferson County
1
Kakadu National Park (N.T.)
1
Laguna
1
Mohave County
1
Monument Valley
1
Navajo Nation, Arizona, New Mexico and Utah
1
Northern Territory
1
Ontario
1
Pakistan
1
Puerco River Watershed (N.M. and Ariz.)
1
San Juan Basin (N.M. and Colo.)
1
San Juan County (Utah)
1
Stevens County
1
Texas
1
Washington (State)
1
Yucca Mountain
1
Yucca Mountain (Nev.)
1