Region
United States
133
États-Unis
6
Africa
2
Caribbean Area
2
China
2
Developing countries
2
Houston
2
Texas
2
Africa, Sub-Saharan
1
Antilles
1
Arizona
1
Bitterroot National Forest (Idaho and Mont.)
1
Bitterroot National Forest (Mont. and Idaho)
1
Caraïbes (Région)
1
Florida
1
Florissant Fossil Beds National Monument (Colo.)
1
Grand Canyon National Park
1
Grand Canyon National Park (Ariz.)
1
Iraq
1
Japan
1
Louisiana
1
Miami
1
Missouri
1
North America
1
North Atlantic Ocean
1
Ozark Mountains
1
Pacific Area
1
Park City (Utah)
1
Southern States
1
Southwest, New
1
Tibet
1
Tibet (China)
1
Tibet Autonomous Region
1
Tibet Autonomous Region (China)
1
United Staes
1
West Indies
1
États-Unis
1