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corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

Carrington, Henry Beebee

(Encyclopedia)Carrington, Henry Beebee, 1824–1912, U.S. army officer and historian, b. Wallingford, Conn., grad. Yale, 1845, and afterward studied at Yale Law School. Carrington ably reorganized the Ohio state mi...

Rocky Mountains

(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...

Spokane, city, United States

(Encyclopedia)Spokane spōkănˈ [key], city (1990 pop. 177,196), seat of Spokane co., E Wash., at the spectacular falls of the Spokane River; inc. 1881. It is a port of entry and the commercial, transportation, an...

Smith, Jedediah Strong

(Encyclopedia)Smith, Jedediah Strong, 1799–1831, American explorer, one of the greatest of the mountain men, b. near Binghamton, N.Y. Early in 1824, Smith took a party through South Pass, beginning the regular us...

Shoshone

(Encyclopedia)Shoshone or Shoshoni shəshōˈnē [key], Native North Americans whose language belongs to the Shoshonean group of the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American lang...

Pride, Charley

(Encyclopedia)Pride, Charley (Charley Frank Pride), 1934–2020, American country singer, the first African-American country-music superstar, b. Sledge, Miss. He init...

Prairie Pothole Region

(Encyclopedia)Prairie Pothole Region, large geographic area of central North America consisting of grass-covered wetlands. Stretching northwest from N Iowa through SW Minnesota, E South Dakota, E and N North Dakota...

purslane

(Encyclopedia) CE5 Purslane, Portulaca oleraceae purslane, common name for some plants of the Portulaceae, a family of herbs and a few small shrubs, chiefly of the Americas. The portulacas or purslanes (genus Po...

Assiniboin

(Encyclopedia)Assiniboin əsĭnˈəboinˌ [key], Native North Americans whose culture is that of the N Great Plains; their language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native Amer...
 

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