Region
United States
4
Louisiana
2
Atchafalaya River
1
Atchafalaya River (La.)
1
Bangladesh
1
Bengal
1
Ganges River Delta (Bangladesh and India)
1
India
1
Lake Washington Ship Canal (Seattle, Wash.)
1
Mancos Shale
1
Mississippi River Delta (La.)
1
Nile River
1
Nile River Watershed
1
Saint Bernard Parish
1
Utah
1
Washington (State)
1
Washington, Lake
1
Washington, Lake (Wash.)
1