What was the original name of the dam that serves as the northern boundary of the Topock Marsh?
Hoover Dam Hoover Dam, originally known as Boulder Dam from 1933 to 1947, when it was officially renamed Hoover Dam by a joint resolution of Congress, is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over one hundred lives. The dam was named after President Herbert Hoover.
Small's Pond Smalls Pond was a pond located near Coxwell Avenue and Kingston Road in Toronto, Canada. Some accounts say it was twelve feet deep, others that it was twelve meters deep. While some accounts say it was a natural feature, Jane Fairburn, in ""Along the Shore: Rediscovering Toronto's Waterfront Heritage"", wrote that gentleman farmer Charles Coxwell Small, owner of 472 acres , dammed a creek than called Serpentine Creek, to form the damm, for the water-power for sawmills.