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.
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.