While Niagara Falls does not freeze in winter, an ice bridge forms at the bottom of the falls with water flowing underneath. It has been reported that up to eighty feet of thick ice has formed across the base of the falls in the past. Until 1912, visitors were actually allowed to walk out on the ice bridge; however, on February 4, 1912, the ice broke up, and three tourists died.
How does geography influence human settlement patterns and economic systems?
Check for Understanding
Describe the scene in the photograph and explain the influence of geography on New York's settlement and economy.
This photograph is undated. Research using clues from the photograph to determine when this photograph might have been taken.
Science: Why doesn't Niagara Falls freeze in winter? Of the three falls that make up Niagara Falls, which has frozen completely in the past? When did the freeze occur, and why?