The 1969 photos are from the smaller American Falls. What the world knows as the Niagara Falls, is the Horseshoe Falls. Horseshoe Falls, also known as Canadian

The 1969 photos are from the smaller American Falls. What the world knows as the Niagara Falls, is the Horseshoe Falls. Horseshoe Falls, also known as Canadian Falls, is the largest of the three waterfalls which collectively form Niagara Falls on the Niagara River along the Canada-US Border. Approximately 90% of the Niagara River, after diversions for hydropower generation, flows over Horseshoe Falls. The remaining 10% flows over American Falls and Bridal Veil falls. It is located between Terrapin Point on Goat Island in the US state of New York, and Table Rock in the Canadian province of Ontario. [source Wikipedia page]