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.
Laguna Niguel Lake Laguna Niguel Lake, formerly known as Sulphur Creek Reservoir, is an artificial 44 acre fishing and recreational lake in Laguna Niguel, California. It is created by the Sulphur Creek Dam, which was completed in 1966. It is located at and is 190 ft above sea level. It is fed from two sources, one of which is Sulphur Creek itself and the other, a storm drain. It is accessed from La Paz Road, which runs along its east shore. Surrounding the reservoir is the Laguna Niguel Regional Park. In addition, within the lake on the large island is a protected bird sanctuary.