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.
Gunnison Gorge National Conservation Area The Gunnison Gorge National Conservation Area is a 62844 acres National Conservation Area located in west-central Colorado near Montrose. It is managed by the Bureau of Land Management (BLM) as part of the National Landscape Conservation System. 57725 acres were designated in the Black Canyon of the Gunnison National Park and Gunnison Gorge National Conservation Area Act of 1999 (Public Law 106-76). The Black Canyon of the Gunnison Boundary Revision Act of 2003 (PL 108-78) expanded the NCA to its current size.