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(yo͞o` mə), Native North Americans whose language belongs to the Yuman branch of the Hokan-Siouan linguistic stock (see Native American languagesNative American languages,
languages of the native peoples of the Western Hemisphere and their descendants. A number of the Native American languages that were spoken at the time of the European arrival in the New World in the late 15th cent.
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). Also known as the Quechan, they formerly ranged over a large area in SW Arizona. Although a powerful group, the Yuma suffered much in warfare with the Maricopa, the Pima, and other tribes. In 1853 they numbered some 3,000. A reservation was created for them in 1883, but the next year they were removed to the California side of the Colorado River; they formally surrendered their lands to the United States in 1886. Today the remainder of the group lives on the Fort Yuma reservation in California and Arizona, numbering 1,160 in 1990.


See A. L. Kroeber, Yuman Tribes of the Lower Colorado (1920); J. Forbes, Warriors of the Colorado (1965).


(yo͞o` mə), city (1990 pop. 54,923), seat of Yuma co., extreme SW Ariz., on the eastern bank of the Colorado River near the confluence of the Gila River; founded 1854, inc. as a city 1914. It is a major trade center of an extensive farm area irrigated by the Yuma project. The project has turned more than 100,000 acres (40,470 hectares) of desert into a fertile farm region known for its cattle, citrus fruits, melons, winter vegetables, grains, and cotton. Paper products, machinery, construction materials, toys, and chemicals are manufactured. Two nearby military installations contribute to the city's economy—the sprawling Yuma Proving Ground and a U.S. Marine Corps air station.

Early missions were built in the area by Fathers Eusebio KinoKino, Eusebio Francisco
, c.1644–1711, missionary explorer in the American Southwest, b. Segno, in the Tyrol. He was in 1669 admitted to the Jesuit order. A distinguished mathematician, he observed the comet of 1680–81 at Cádiz, publishing his results in his
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 and F. T. H. Garcés; however, settlement did not occur until after Fort Yuma was built (1850) to protect overlanders on the route to California. After 1858, Yuma was a river port and the center of a gold-mining boom. Points of interest in the area include Fort Yuma (on the west bank of the river), the territorial prison (built 1875; now a museum), St. Thomas Mission (16th cent.), three dams on the Colorado River, and the California sand dunes.

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References in periodicals archive ?
Yuma is a new collection of open-stock dinnerware and accessories capitalizing on the versatility of muted colors in tabletop that can be dressed up or down.
The specimens, which are as good as or better than anything ever produced by the Apache and Old Yuma mines, may well identify the North Geronimo as the most likely site of the Romaldo Pachecos mine, and perhaps also Zepharovich's source.(*)
For a sense of 19th-century life, head down to the river at Yuma Crossing, where you can meet a costumed pioneer in a re-created 1850s emigrant camp and tour the restored Quartermaster Depot, which supplied military posts from the 1860s to 1883.
Release date- 19082019 - HOUSTON - Yuma Energy, Inc.
Republicans hold a nearly two-to-one advantage among registered voters in the district, which stretches from northern Yuma County to northwestern Maricopa County.
Health officials are examining about two dozen farms in the Yuma region along with the business where the romaine lettuces are supplied.
Yuma Energy, Inc., a Delaware corporation, is an independent Houston-based exploration and production company focused on acquiring, developing and exploring for conventional and unconventional oil and natural gas resources.
Many people have probably seen the headlines "Yuma Mayor Declares State of Emergency Due to 'Imminent Threat of Illegals.'" That is not at all what Mayor Nicholls said nor does it highlight the main point of his statements.
The station is located about 2 miles from Yuma. The 1,300-square-mile training ground is one of the world's largest military installations.
Yuma Border Sector Chief Anthony Porvaznik said: "In my 30 years, I have not been part of arresting a group of 376 people.
Yuma Regional Medical Center is a 406-bed, not-for-profit hospital dedicated to providing outstanding medical care to the residents of Yuma and the surrounding communities in southwestern Arizona.