Who manages the birdwatching site found south of the dam originally known as the Boulder Dam?
Topock Marsh The Topock Marsh is one of the larger birdwatching sites found in the Lower Colorado River Valley, found from south of Hoover Dam to the Colorado River Delta in Mohave County, Arizona. This public land is managed by the US Fish and Wildlife Service, and available to the public for recreational purposes.
Lake Thunderbird Lake Thunderbird is a reservoir located in Norman, Oklahoma. The lake was constructed between 1962 and 1965 for the purpose of providing municipal water to the nearby communities of Del City, Midwest City and Norman. It is formed by an earthfill embankment (dam) 7,300 ft long and up to 144 ft high on the Little River. In addition to being a source for drinking water, Lake Thunderbird's secondary uses include numerous recreational activities.