Region
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Moscow Metropolitan Area
1
Nebraska
1
Nevada
1
New Mexico
4
Newcastle geothermal area
1
North America
6
Northwest, Pacific
2
Ohio
1
Oklahoma
1
Pacific Ocean
1
Poland
1
Rocky Mountains Region
1
Russia
6
Russia (Federation)
1
San Francisco
1
San Juan National Forest (Colo.)
1
Seward
1
Sharpe, Lake
1
Sharpe, Lake (S.D.)
1
Shishmaref
1
Shishmaref (Alaska)
1
Solar system
1
South America
1
South Asia
1
South Australia
1
South Dakota
1
Southern Hemisphere
1
Southwest, New
3
Soviet Union
2
Texas
3
United States
33
Utah
4
Venezuela
1
West (U.S.)
5
Yucca Mountain Region
1
Zuni Indian Reservation (N.M.)
1