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White Hills (Arizona)
The White Hills are a range of hills in northern Mohave County, Arizona. These hills lie north of the Cerbat Mountains and extend south from the Colorado River at Lake Mead between the Detrital Valley to the west and the Gold Basin and the upper Hualapai Valley to the east. The ''north region'' of the White Hills is located in Lake Mead National Recreation Area. The White Hills occur in a north, central, and south region. The approximate mountain range center is slightly northeast of White Hills, Arizona, the Senator Mountain, . History The west side of the White Hills were the site of a silver rush in 1892. It resulted in the establishment of the boomtown of White Hills, Arizona, White Hills, in Arizona Territory, twenty miles east of the steamboat landing at El Dorado Canyon (Nevada), Eldorado Canyon. References External links * Approx. mountain range center, Senator Mountain, northeast of White Hills, AZ, at topozone.com {{Authority control Lake Mead National Recre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Mead
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, east of Las Vegas. It is the largest reservoir in the US in terms of water capacity. Lake Mead provides 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. At maximum capacity, Lake Mead is long, at its greatest depth, has a surface elevation of above sea level, has a surface area of , and contains 28.23 million acre-feet (32.236 km³) of water. The lake has remained below full capacity since 1983 owing to drought and increased water demand. As of May 31, 2022, Lake Mead held of full capacity at , dropping below the reservoir's previous all-time low of recorded in July 2016. In a draft 2022 Colorado River annual operating plan, released by the U.S. Bureau of Reclamation, a "Shortage Condition" is expected to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Table Mountain (Arizona)
Table Mountain ( naq, Huriǂoaxa, lit= sea-emerging; af, Tafelberg) is a flat-topped mountain forming a prominent landmark overlooking the city of Cape Town in South Africa. It is a significant tourist attraction, with many visitors using the cableway or hiking to the top. Table Mountain National Park is the most visited national park in South Africa, attracting 4.2 million people every year for various activities. The mountain has 8,200 plant species, of which around 80% are fynbos, meaning fine bush. It forms part of the Table Mountain National Park, and part of the lands formerly ranged by Khoe-speaking clans, such as the (the "High Clan"). It is home to a large array of mostly endemic fauna and flora. Features The main feature of Table Mountain is the level plateau approximately from side to side, edged by steep cliffs. The plateau, flanked by Devil's Peak to the east and by Lion's Head to the west, forms a dramatic backdrop to Cape Town. This broad sweep of mounta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hills Of Arizona
A hill is a landform that extends above the surrounding terrain. It often has a distinct summit. Terminology The distinction between a hill and a mountain is unclear and largely subjective, but a hill is universally considered to be not as tall, or as steep as a mountain. Geographers historically regarded mountains as hills greater than above sea level, which formed the basis of the plot of the 1995 film ''The Englishman who Went up a Hill but Came down a Mountain''. In contrast, hillwalkers have tended to regard mountains as peaks above sea level. The ''Oxford English Dictionary'' also suggests a limit of and Whittow states "Some authorities regard eminences above as mountains, those below being referred to as hills." Today, a mountain is usually defined in the UK and Ireland as any summit at least high, while the official UK government's definition of a mountain is a summit of or higher. Some definitions include a topographical prominence requirement, typically or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountain Ranges Of Arizona
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than a hill, typically rising at least 300 metres (1,000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges. Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, as well as through erosion by rivers and glaciers. High elevations on mountains produce colder climates than at sea level at similar latitude. These colder climates strongly affect the ecosystems of mountains: different elevations have different plants and animals. Because of the less hospitable terrain and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
El Dorado Canyon (Nevada)
El Dorado Canyon is a canyon in southern Clark County, Nevada famed for its rich silver and gold mines. The canyon was named in 1857 by steamboat entrepreneur Captain George Alonzo Johnson when gold and silver was discovered here. It drains into the Colorado River at the former site of Nelson's Landing. The town of Nelson lies in the upper reach of the canyon. Eldorado Canyon Mine Tours operates mid way in the canyon at the Techatticup Mine one of the oldest and most productive mines in the canyon. History Prospecting and mining in the El Dorado Canyon started by 1857, if not earlier.Angel, Myron, History of Nevada, with Illustrations and Biographical Sketches of its Prominent Men and Pioneers, Thompson and West, Oakland, Cal., 1881, p. 476, "In 1852 the Mormons obtained the contract for carrying the mail over the route which Congress had that year established from Salt Lake to San Bernardino. A station was established at Las Vegas, and Brigham Young located a settlement at th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steamboat
A steamboat is a boat that is marine propulsion, propelled primarily by marine steam engine, steam power, typically driving propellers or Paddle steamer, paddlewheels. Steamboats sometimes use the ship prefix, prefix designation SS, S.S. or S/S (for 'Screw Steamer') or PS (for 'Paddle Steamer'); however, these designations are most often used for steamships. The term ''steamboat'' is used to refer to smaller, insular, steam-powered boats working on lakes and rivers, particularly riverboats. As using steam became more reliable, steam power became applied to larger, ocean-going vessels. Background Limitations of the Newcomen steam engine Early steamboat designs used Newcomen atmospheric engine, Newcomen steam engines. These engines were large, heavy, and produced little power, which resulted in an unfavorable power-to-weight ratio. The Newcomen engine also produced a reciprocating or rocking motion because it was designed for pumping. The piston stroke was caused by a water jet i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arizona Territory
The Territory of Arizona (also known as Arizona Territory) was a territory of the United States that existed from February 24, 1863, until February 14, 1912, when the remaining extent of the territory was admitted to the Union as the state of Arizona. It was created from the western half of the New Mexico Territory during the American Civil War. History Following the expansion of the New Mexico Territory in 1853, as a result of the Gadsden Purchase, several proposals for a division of the territory and the organization of a separate Territory of Arizona in the southern half of the territory were advanced as early as 1856. These proposals arose from concerns about the ability of the territorial government in Santa Fe to effectively administer the newly acquired southern portions of the territory. The first proposal dates from a conference held in Tucson that convened on August 29, 1856. The conference issued a petition to the U.S. Congress, signed by 256 people, requesting ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boomtown
A boomtown is a community that undergoes sudden and rapid population and economic growth, or that is started from scratch. The growth is normally attributed to the nearby discovery of a precious resource such as gold, silver, or oil, although the term can also be applied to communities growing very rapidly for different reasons, such as a proximity to a major metropolitan area, huge construction project, or attractive climate. First boomtowns Early boomtowns, such as Leeds, Liverpool, and Manchester, experienced a dramatic surge in population and economic activity during the Industrial Revolution at the turn of the 19th century. In pre-industrial England these towns had been relative backwaters, compared to the more important market towns of Bristol, Norwich, and York, but they soon became major urban and industrial centres. Although these boomtowns did not directly owe their sudden growth to the discovery of a local natural resource, the factories were set up there to take a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Senator Mountain
A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the elder" or "old man") and therefore considered wiser and more experienced members of the society or ruling class. However the Roman Senate was not the ancestor or predecessor of modern parliamentarism in any sense, because the Roman senate was not a legislative body. Many countries have an assembly named a ''senate'', composed of ''senators'' who may be elected, appointed, have inherited the title, or gained membership by other methods, depending on the country. Modern senates typically serve to provide a chamber of "sober second thought" to consider legislation passed by a lower house, whose members are usually elected. Most senates have asymmetrical duties and powers compared with their respective lower house meaning they have special dut ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gold Basin
Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal in a pure form. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental (native state), as nuggets or grains, in rocks, veins, and alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum), naturally alloyed with other metals like copper and palladium, and mineral inclusions such as within pyrite. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides). Gold is resistant to most acids, though it does dissolve in aqua regia (a mixture of nitric acid and hydrochloric acid), forming a soluble tetrachloroaurate anion. Gold is i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hills
A hill is a landform that extends above the surrounding terrain. It often has a distinct summit. Terminology The distinction between a hill and a mountain is unclear and largely subjective, but a hill is universally considered to be not as tall, or as steep as a mountain. Geographers historically regarded mountains as hills greater than above sea level, which formed the basis of the plot of the 1995 film ''The Englishman who Went up a Hill but Came down a Mountain''. In contrast, hillwalkers have tended to regard mountains as peaks above sea level. The ''Oxford English Dictionary'' also suggests a limit of and Whittow states "Some authorities regard eminences above as mountains, those below being referred to as hills." Today, a mountain is usually defined in the UK and Ireland as any summit at least high, while the official UK government's definition of a mountain is a summit of or higher. Some definitions include a topographical prominence requirement, typically or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arizona
Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Four Corners region with Utah to the north, Colorado to the northeast, and New Mexico to the east; its other neighboring states are Nevada to the northwest, California to the west and the Mexican states of Sonora and Baja California to the south and southwest. Arizona is the 48th state and last of the contiguous states to be admitted to the Union, achieving statehood on February 14, 1912. Historically part of the territory of in New Spain, it became part of independent Mexico in 1821. After being defeated in the Mexican–American War, Mexico ceded much of this territory to the United States in 1848. The southernmost portion of the state was acquired in 1853 through the Gadsden Purchase. Southern Arizona is known for its desert cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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