Who manages the birdwatching site found south of the dam originally known as the Boulder Dam?
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.
Bear River Migratory Bird Refuge Bear River Migratory Bird Refuge is a 74000 acre National Wildlife Refuge in Utah, established in 1928. The refuge is part of a national system of fee ownership lands purchased from willing sellers, mostly private property owners.