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Ottawa River - Wikipedia
Ottawa River | The Canadian Encyclopedia
Ottawa River | Map, Tributaries, & Facts | Britannica
Current Conditions - Ottawa River Regulation Planning Board
Ottawa | History, Facts, Map, & Points of Interest | Britannica
Ottawa River - Ottawa River Waterway
Ottawa River - Wikiwand
Ottawa River, Ontario | Canadian Heritage Rivers System
Current Conditions - Ottawa River Regulation Planning Board
The Historic Ottawa River