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Lake Mead is a reservoir formed by the Hoover Dam on the Colorado River in the Southwestern United States. It is located in the states of Nevada and Arizona, 24 mi (39 km) east from Las Vegas Strip. It is the largest reservoir in the United States in terms of water capacity. Formed by the Hoover Dam on September 30, 1935, the reservoir serves water to the states of Arizona, California, and Nevada, as well as some of Mexico, providing sustenance to nearly 20 million people and large areas of farmland.
The Muddy River, formerly known as the Moapa River, is a short river located in Clark County, in southern Nevada, United States. It is in the Mojave Desert, approximately 60 miles (97 km) north of Las Vegas.
The Black Mountains, a mid-Miocene formation, in Nevada are a series of rugged, arid rocky volcanic mountains ranging in elevations to 3310 ft. The range lies on the north shore of Lake Mead, at the southwest corner of the Overton Arm, about 25 mi south of Overton, Nevada.
Callville Bay is a waterway on the northwestern side of Lake Mead in the U.S. state of Nevada. It has a marina and camping resort. Situated east of Las Vegas and upstream from Las Vegas Bay, it lies within the Lake Mead National Recreation Area, which was established in 1935. Its name derives from the settlement of Callville which was established in 1865 by Anson Call under a directive led by Brigham Young. Though the settlement was abandoned in 1869, and submerged under Lake Mead when the Colorado River was dammed, Callville Bay retained the name.
Callville is a former settlement of Clark County in the U.S. state of Nevada. Abandoned in 1869, it was submerged under Lake Mead when the Colorado River was dammed, Callville Bay retaining the name. At one time, it was noted to be the southernmost outpost of the Mormon settlement.
The Carrizo Creek and Carrizo Wash in California are a stream and an arroyo that the stream flows into, in San Diego County, California and Imperial County, California.
Stone's Ferry is a former settlement founded by members of The Church of Jesus Christ of Latter-day Saints and ferry crossing of the Colorado River between Nevada and Arizona, in Clark County, Nevada, United States.
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 River Basin of Lake Mead, at about 36°09′05″N114°32′51″W. Boulder Canyon divides the Black Mountains into the Black Mountains of Arizona, and the Black Mountains of Nevada. Its mouth is now 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 now underneath Lake Mead between Beacon Rock and Fortification Ridge on the southern shore in Arizona.
Fortification Rock, once a landmark hill on the Colorado River before it was inundated, now known as Rock Island, southernmost and tallest of the Boulder Islands in Lake Mead, Clark County, Nevada. It has an elevation of 1284 feet. Fortification Rock appears on the 1861 Geological Map No. 1; Rio Colorado of the West, explored by 1st Lieut. Joseph C. Ives, which shows Fortification Rock, Ives Camp #59 and the course of the Colorado River from its mouth on the Gulf of California to Las Vegas Wash and the location of its features and other expedition camps along the way.
Laguña Creek also formerly also known as Tyende Creek, is a stream in the Navajo and Apache Counties of Arizona. Laguña Creek has its source at 36°41′15″N110°30′36″W, at the confluence of Long Canyon and Dowozhiebito Canyon at an elevation of 6325 feet / 1928 meters at the head of Tsegi Canyon. Its mouth is in the Chinle Valley at its confluence with Chinle Wash which together forms Chinle Creek, at an elevation of 4774 feet / 1455 meters. Chinle Creek is a tributary of San Juan River which is in turn a tributary of the Colorado River.
Chinle Creek is a tributary stream of the San Juan River in Apache County, Arizona and San Juan County, Utah. Its source is at 36°53′40″N109°44′37″W, the confluence of Laguña Creek and the Chinle Wash arroyo. Its name is derived from the Navajo word ch'inili meaning 'where the waters came out'. Its sources is in Canyon de Chelly National Monument where Canyon de Chelly and Canyon del Muerto have their confluence at an elevation of 5,616 feet at 36°08′35″N109°29′17″W. It then trends northwest to its confluence with Laguña Creek where it forms Chinle Creek, 7 miles northeast of Dennehotso, Arizona at an elevation of 4,774 feet / 1,455 meters.
California Wash is an arroyo tributary to the Muddy River, in Clark County, Nevada. Its mouth is at its confluence with the Muddy River over a mile southwest of Moapa and a mile and a half west of Glendale, Nevada. Its source is at an elevation of 3320 feet at the southwestern end of the Muddy Mountains, at 36°17′14″N114°48′09″W. From there it drains northeastward to its mouth on the Muddy River.
Walker Creek is a stream in Apache County, Arizona. Its mouth is at an elevation of 4,688 feet / 1,429 meters at its confluence with Chinle Creek. Its source is located at 36°41′28″N109°15′04″W, the confluence of Alcove Canyon and Tah Chin Lini Canyon in the Carrizo Mountains, from which it flows west and northwest to Chinle Creek at 36°57′42″N109°41′35″W. Hogansaani Spring, a tributary, is located on the south side of Walker Creek, at an elevation of 5,102 feet (1,555 m), midway downstream Walker Creek to its confluence with Chinle Creek.
Cottonwood Spring is a spring in the Black Mountains, between the west end of Pinto Valley and Callville Wash, at an elevation of 2205 feet.
Boulder Wash is an ephemeral stream or wash in Clark County, Nevada. Its mouth is at its confluence with the Boulder Wash Cove of Lake Mead at an elevation 1,276 feet / 389 meters at when Lake Mead is at its full level. Currently as the reservoir is at a much lower level its mouth is found at approximately 36°10′07″N114°33′07″W. Its source is at 36°13′36″N114°31′22″W at an elevation of 2,841 feet / 866 meters in the Black Mountains. It flows down a canyon into the upper Pinto Valley southwestward before turning southeastward to Boulder Wash Cove.
West End Wash is an ephemeral stream or wash in Clark County, Nevada. Its mouth is at its confluence with the Callville Wash of Lake Mead at an elevation 1,250 feet / 381 meters at when Lake Mead is at its full level. Currently as the reservoir is at a much lower level its mouth is found at approximately 36°08′24″N114°42′57″W. Its source is at 36°15′55″N114°43′58″W at 3,083 feet / 940 meters in the Gale Hills.
Gale Hills, formerly considered part of the Muddy Range (1879), and later the South Muddy Mountains (1980s), are a range of hills southwest of the Muddy Mountains and about three miles north of the Boulder Basin of Lake Mead, in Clark County, Nevada. It is bounded on the east by Callville Wash; on the south by the Black Mesa lava flows; on the northwest by the valley of Gypsum Wash. Its highpoint is at 36°15′32″N114°43′12″W which lies at 3,756 feet / 1,145 meters.
Gypsum Wash is an ephemeral stream or wash in Clark County, Nevada. Gypsum Wash was originally a tributary of Las Vegas Wash before the formation of Lake Mead which submerged their confluence under Las Vegas Bay. Due to the lowering of the reservoir over recent years Gypsum Wash is once again a tributary of Las Vegas Wash, now exposed at 36°07′04″N114°50′54″W at an elevation of 1085 feet. When Las Vegas Bay is at its full level, Gypsum Wash flows into Lower Gypsum Wash Cove at 36°07′43″N114°51′26″W at an elevation of 1,204 feet / 367 meters.
Boulder Wash Cove is a cove in Lake Mead, in Clark County, Nevada. Boulder Wash for which the cove is named has its mouth in the cove at an elevation of 1,204 / 367 meters when the reservoir is at its full level.
Boulder Basin is the westernmost of the three basins occupied by the Lake Mead reservoir and lies within the boundaries of Clark County, Nevada and Mohave County, Arizona. It includes the area between Hoover Dam and the mouth of Boulder Canyon at Auxiliary Point. When the reservoir is full it reaches an elevation of 1,204 feet / 367 meters. It includes Las Vegas Bay, Swallow Bay, Callville Bay and Hamblin Bay.
References
- 1 2 U.S. Geological Survey Geographic Names Information System: Callville Wash
- ↑ 25 December 2016
- ↑ U.S. Geological Survey Geographic Names Information System: West End Wash
- ↑ LeRoy R. Hafen and Antonio Armijo. "Armijo's Journal", Huntington Library Quarterly, Vol. 11, No. 1, (Nov., 1947), pp. 87-101, University of California Press, DOI: 10.2307/3816035 from jstor.org accessed 10/28/2015
Coordinates: 36°10′07″N114°33′07″W / 36.16861°N 114.55194°W