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The Geysers
The Geysers is the world's largest geothermal field, containing a complex of 18 geothermal power plants, drawing steam from more than 350 wells, located in the Mayacamas Mountains approximately north of San Francisco, California. Geysers produced about 20% of California's renewable energy in 2019. Calpine, the largest generator of electricity from natural gas and geothermal resources in the US, generates power at the site. History For about 12,000 years, Native Americans built steam baths and thermal pools at The Geysers and used the steam and hot water for healing purposes, as well as spiritual and ceremonial practices, and cooking. The thermal pools were used as a medicinal treatment for rheumatism and arthritis. The heated mud was used to soothe skin rashes and other aches and pains, using the fumaroles as a natural energy source. When European Americans first arrived, six local native tribes inhabited the area around The Geysers. These tribes included three bands of Pomo p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States asserts sovereignty over five Territories of the United States, major island territories and United States Minor Outlying Islands, various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's List of countries and dependencies by area, third-largest land area and List of countries and dependencies by population, third-largest population, exceeding 340 million. Its three Metropolitan statistical areas by population, largest metropolitan areas are New York metropolitan area, New York, Greater Los Angeles, Los Angel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Miwok People
The Miwok (also spelled Miwuk, Mi-Wuk, or Me-Wuk) are members of four linguistically related Native American groups indigenous to what is now Northern California, who traditionally spoke one of the Miwok languages in the Utian family. The word ''Miwok'' means ''people'' in the Miwok languages. Subgroups Anthropologists commonly divide the Miwok into four geographically and culturally diverse ethnic subgroups. These distinctions were not used among the Miwok before European contact. *'' Plains and Sierra Miwok'': from the western slope and foothills of the Sierra Nevada, the Sacramento Valley, San Joaquin Valley and the Sacramento-San Joaquin Delta *'' Coast Miwok'': from present day location of Marin County and southern Sonoma County (includes the ''Bodega Bay Miwok'' and ''Marin Miwok'') *'' Lake Miwok'': from Clear Lake basin of Lake County *''Bay Miwok'': from present-day location of Contra Costa County Federally recognized tribes The United States Bureau of Indian A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Unocal Corporation
Union Oil Company of California, and its holding company Unocal Corporation, together known as Unocal was a major petroleum explorer and marketer in the late 19th century, through the 20th century, and into the early 21st century. It was headquartered in El Segundo, California, United States. Unocal was involved in domestic and global energy projects. Unocal was one of the key players in the CentGas consortium, which attempted to build the Trans-Afghanistan Pipeline to run from the Caspian area, through Afghanistan, to the Indian Ocean, at a time after the Taliban siege of Kabul in 1996. On August 10, 2005, Unocal merged its entire upstream petroleum business with Chevron and became a wholly-owned subsidiary. Unocal then ceased operations as an independent company, but continues to conduct many operations as Union Oil Company of California, a Chevron company. History The Union Oil Company of California was founded on October 17, 1890, in Santa Paula, California, by Ly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Gas And Electric
The Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU). The company is headquartered at Kaiser Center, in Oakland, California. PG&E provides natural gas and electricity to 5.2 million households in the northern two-thirds of California, from Bakersfield and northern Santa Barbara County, almost to the Oregon and Nevada state lines. Overseen by the California Public Utilities Commission, PG&E is the leading subsidiary of the holding company PG&E Corporation, which has a market capitalization of $34.9 billion as of March 10, 2025. PG&E was established on October 10, 1905, from the merger and consolidation of predecessor utility companies, and by 1984 was the United States' "largest electric utility business". PG&E is one of six regulated, investor-owned electric utilities (IOUs) in California; the other five are PacifiCorp, Southern California Edison, San Diego Gas & Electric, Bear Valley Electric, and Liberty Utilities. In 2018 and 2019 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mark Twain
Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), known by the pen name Mark Twain, was an American writer, humorist, and essayist. He was praised as the "greatest humorist the United States has produced," with William Faulkner calling him "the father of American literature." Twain's novels include ''The Adventures of Tom Sawyer'' (1876) and its sequel, ''Adventures of Huckleberry Finn'' (1884), with the latter often called the "Great American Novel." He also wrote ''A Connecticut Yankee in King Arthur's Court'' (1889) and ''Pudd'nhead Wilson'' (1894) and cowrote ''The Gilded Age: A Tale of Today'' (1873) with Charles Dudley Warner. The novelist Ernest Hemingway claimed that "All modern American literature comes from one book by Mark Twain called ''Huckleberry Finn''." Twain was raised in Hannibal, Missouri, which later provided the setting for both ''Tom Sawyer'' and ''Huckleberry Finn''. He served an apprenticeship with a printer early in his career, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theodore Roosevelt
Theodore Roosevelt Jr. (October 27, 1858 – January 6, 1919), also known as Teddy or T.R., was the 26th president of the United States, serving from 1901 to 1909. Roosevelt previously was involved in New York (state), New York politics, including serving as the state's List of governors of New York, 33rd governor for two years. He served as the 25th Vice President of the United States, vice president under President William McKinley for six months in 1901, assuming the presidency after Assassination of William McKinley, McKinley's assassination. As president, Roosevelt emerged as a leader of the History of the Republican Party (United States), Republican Party and became a driving force for United States antitrust law, anti-trust and Progressive Era policies. A sickly child with debilitating asthma, Roosevelt overcame health problems through The Strenuous Life, a strenuous lifestyle. He was homeschooled and began a lifelong naturalist avocation before attending Harvard Colleg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulysses S
Ulysses is the Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ... name for Odysseus, a legendary Greek hero recognized for his intelligence and cunning. He is famous for his long, adventurous journey home to Ithaca after the Trojan War, as narrated in Homer's Odyssey. Ulysses may also refer to: People * Ulysses (given name), including a list of people with this name Places * 5254 Ulysses, an asteroid Places in the United States * Ulysses, Kansas * Ulysses, Kentucky * Ulysses, Nebraska * Ulysses Township, Butler County, Nebraska * Ulysses, New York * Ulysses, Pennsylvania * Ulysses Township, Pennsylvania Animals * Ulysses butterfly (''Papilio ulysses'') a butterfly endemic to Australasia * Ulysses (horse) (born 2013), a thoroughbred racehorse Arts and enter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Archibald C (1527–1593), Italian painter
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Archibald may refer to: People and characters *Archibald (name), a masculine given name and a surname *Archibald (musician) (1916–1973), American R&B pianist * Archibald, a character from the animated TV show ''Archibald the Koala'' Other uses *Archibald, Louisiana, a community in the United States *Archibald Prize, an Australian portraiture art prize for painting See also *Archibald House, several buildings * *Archie (other) *Archbold (other) *Giuseppe Arcimboldo Giuseppe Arcimboldo, also spelled Arcimboldi (; 5 April 1527 – 11 July 1593), was an Italian Renaissance painter best known for creating imaginative portrait Human head, heads made entirely of objects such as fruits, vegetables, flowers, fish ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fumarole
A fumarole (or fumerole) is a vent in the surface of the Earth or another rocky planet from which hot volcanic gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcanic activity, but fumarole activity can also precede a volcanic eruption and has been used for eruption prediction. Most fumaroles die down within a few days or weeks of the end of an eruption, but a few are persistent, lasting for decades or longer. An area containing fumaroles is known as a fumarole field. The predominant vapor emitted by fumaroles is steam, formed by the circulation of groundwater through heated rock. This is typically accompanied by volcanic gases given off by magma cooling deep below the surface. These volcanic gases include sulfur compounds, such as various sulfur oxides and hydrogen sulfide, and sometimes hydrogen chloride, hydrogen fluoride, and other gases. A fumarole that emits significant sulfur compounds is some ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geyser
A geyser (, ) is a spring with an intermittent water discharge ejected turbulently and accompanied by steam. The formation of geysers is fairly rare and is caused by particular hydrogeological conditions that exist only in a few places on Earth. Generally, geyser field sites are located near active volcanic areas, and the geyser effect is due to the proximity of magma. Surface water works its way down to an average depth of around where it contacts hot rocks. The pressurized water boils, and this causes the geyser effect of hot water and steam spraying out of the geyser's surface vent. A geyser's eruptive activity may change or cease due to ongoing deposition of minerals within their plumbing, exchange of functions with nearby hot springs, earthquake influences, and human intervention. Like many other natural phenomena, geysers are not unique to Earth. Jet-like eruptions, often called cryogeysers, have been observed on several of the moons of the outer Solar System. Due t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Great Basin
The Great Basin () is the largest area of contiguous endorheic watersheds, those with no outlets to the ocean, in North America. It spans nearly all of Nevada, much of Utah, and portions of California, Idaho, Oregon, Wyoming, and Baja California. It is noted for both its arid climate and the basin and range topography that varies from the North American low point at Badwater Basin in Death Valley to the highest point of the contiguous United States, less than away at the summit of Mount Whitney. The region spans several physiographic divisions, biomes, ecoregions, and deserts. Definition The term "Great Basin" is applied to hydrographic, biological, floristic, physiographic, topographic, and ethnographic geographic areas. The name was originally coined by John C. Frémont, who, based on information gleaned from Joseph R. Walker as well as his own travels, recognized the hydrographic nature of the landform as "having no connection to the ocean". The hydrographic defi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sierra Nevada (U
The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley (California), Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily in Nevada. The Sierra Nevada is part of the American Cordillera, an almost continuous chain of mountain ranges that forms the western "backbone" of the Americas. The Sierra runs north-south, and its width ranges from to across east–west. Notable features include the General Sherman Tree, the largest tree in the world by volume; Lake Tahoe, the largest alpine lake in North America; Mount Whitney at , the highest point in the contiguous United States; and Yosemite Valley sculpted by glaciers from one-hundred-million-year-old granite, containing List of waterfalls in Yosemite National Park, high waterfalls. The Sierra is home to three national parks, twenty-six wilderness areas, ten national forests, and two ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
