Region
- United States 76 results
- Africa 61 results
- India 21 results
- Kenya 19 results
- New Mexico 17 results
- Asia 15 results
- Thailand 9 results
- Africa, Sub-Saharan 8 results
- China 8 results
- Elephant Butte Reservoir (N.M.) 8 results
- Elephant Butte Reservoir 7 results
- Amboseli National Park 6 results
- Rio Grande 6 results
- Texas 6 results
- Botswana 5 results
- Burma 5 results
- Mexico 5 results
- California 4 results
- Elephant Butte Dam (New Mexico) 4 results
- Elephant Butte Reservoir (New Mexico) 4 results
- Elephant Butte, New Mexico 4 results
- Luangwa River Valley (Zambia and Mozambique) 4 results
- Africa, Central 3 results
- Amboseli National Park (Kenya) 3 results
- Antarctica 3 results
- England 3 results
- South Asia 3 results
- Utah 3 results
- Africa, East 2 results
- Africa, Southern 2 results
- Alaska 2 results
- Apple Creek (North Dakota) 2 results
- Assam 2 results
- Australia 2 results
- Awash River Valley 2 results
- Belle Fourche Dam (South Dakota) 2 results
- Caballo Reservoir (New Mexico) 2 results
- Casitas, Lake (California) 2 results
- Chad 2 results
- Chobe National Park 2 results
- Chobe National Park (Botswana) 2 results
- Cibolo Creek (Texas) 2 results
- Colorado 2 results
- El Paso County, Texas 2 results
- El Paso, Texas 2 results
- Ethiopia 2 results
- Glendo Dam (Wyoming) 2 results
- Glendo Reservoir (Wyoming) 2 results
- Italy 2 results
- Lake Berryessa (California) 2 results more…