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Water Basin
- Columbia River >> Clatsop County >> Oregon >> United States 3
- Columbia 3
- Fraser River >> British Columbia >> Canada 3
- Fraser 3
- Skagit River >> Skagit County >> Washington >> United States 3
- Skagit 3
- Mississippi River Delta >> Plaquemines Parish >> Louisiana >> United States 2
- Mississippi 2
- Nelson River >> Manitoba >> Canada 2
- Nelson-Saskatchewan 2
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License
- Creative Commons: Public Domain Mark 1.0 3
Collection
- International Freshwater Treaties Collection 3