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Water Basin
- Colorado River 32
- Colorado 32
- Rio Grande (North America) 28
- Rio Grande >> Mexico >> North America 28
- Saint Lawrence River >> Franklin County >> New York >> United States 27
- St. Lawrence 27
- Columbia River >> Clatsop County >> Oregon >> United States 13
- Columbia 13
- Tijuana River 11
- Tijuana 11
- Nelson River >> Manitoba >> Canada 6
- Nelson-Saskatchewan 6
- Saskatchewan River >> Manitoba >> Canada 6
- Mississippi River Delta >> Plaquemines Parish >> Louisiana >> United States 4
- Mississippi 4
- Saint John River >> New Brunswick >> Canada 4
- Skagit River >> Skagit County >> Washington >> United States 4
- Skagit 4
- St. John (North America) 4
- Fraser River >> British Columbia >> Canada 3