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Water Basin
- Rio Grande (North America) 3
- Rio Grande >> Mexico >> North America 3
- Tijuana River 3
- Tijuana 3
- Colorado River 2
- Colorado 2
- Río Yaqui 2
- Saint Lawrence River >> Franklin County >> New York >> United States 2
- St. Lawrence 2
- Yaqui 2
- Columbia River >> Clatsop County >> Oregon >> United States 1
- Columbia 1
- Mississippi River Delta >> Plaquemines Parish >> Louisiana >> United States 1
- Mississippi 1
- Nelson River >> Manitoba >> Canada 1
- Nelson-Saskatchewan 1
- Saint Croix River >> Washington County >> Maine >> United States 1
- Saint John River >> New Brunswick >> Canada 1
- Saskatchewan River >> Manitoba >> Canada 1
- Skagit River >> Skagit County >> Washington >> United States 1