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Creator
- Canada 26
- United States 26
- Great Britain 1
Region
- Canada 27
- United States 27
Water Basin
- Saint Lawrence River >> Franklin County >> New York >> United States 27
- St. Lawrence 27
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Columbia 2
- Fraser River >> British Columbia >> Canada 2
- Fraser 2
- Mississippi River Delta >> Plaquemines Parish >> Louisiana >> United States 2
- Mississippi 2
- Nelson River >> Manitoba >> Canada 2
- Nelson-Saskatchewan 2
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Collection
- International Freshwater Treaties Collection 27