Bridge Mountain and Red Rock Canyon National Conservation Area are both managed by who?
Bridge Mountain Bridge Mountain is a mountain located in the Spring Mountain range of southern Nevada. It is located on land managed by the United States Bureau of Land Management as the Red Rock Canyon National Conservation Area, part of the Rainbow Mountain Wilderness. Bridge Mountain is named for the natural feature of a bridge-like natural arch of sandstone near the summit.
Boulder Canyon (Colorado River) Boulder Canyon, originally Devils Gate Canyon, is a canyon on the Colorado River, above Hoover Dam, now flooded by Lake Mead. It lies between Clark County, Nevada and Mohave County, Arizona. It heads at western end of the Virgin Basin of Lake Mead, at . The Canyon divides the Black Mountains into the Black Mountains of Arizona, and the Black Mountains of Nevada. Its mouth is under the eastern end of the Boulder Basin of Lake Mead, between Canyon Point in Nevada and Canyon Ridge in Arizona. Its original mouth is under Lake Mead between Beacon Rock and Fortification Ridge on the south shore in Arizona.