Region
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Tibet Autonomous Region (China)
2
Tonto National Forest
1
Trans-Alaska Pipeline (Alaska)
1
Turkey
6
Ukraine
10
United States
2,153
United States Virgin Islands
1
United States, West
2
Utah
1
Venezuela
3
Washington (State)
1
West (U.S.)
15
West Virginia
7
Western Hemisphere
5
Yucca Mountain (Nev.)
1
Yunan Xian
1
Zimbabwe
1