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Rocky Mountain spotted fever

(Encyclopedia) Rocky Mountain spotted fever, infectious disease caused by a rickettsia. The bacterium is harbored by wild rodents and other animals and is carried by infected ticks of several species…

Ottawa, cities, United States

(Encyclopedia) Ottawa. 1 City (1990 pop. 17,451), seat of La Salle co., N central Ill., at the confluence of the Fox and Illinois rivers, in a fertile farm area; inc. as a city 1853. The city has…

Ellsworth, Henry Leavitt

(Encyclopedia) Ellsworth, Henry Leavitt, 1791–1858, American agriculturist, b. Windsor, Conn., grad. Yale, 1810. His interests were varied. He was a lawyer, businessman, and farming enthusiast. In…

Brough, Louise

(Encyclopedia) Brough, Louise (Louise Brough Clapp)Brough, Louisebrŭf [key], 1923–2014, American tennis player, b. Oklahoma City. A champion in the 1940s and 50s, renowned for her powerful serve-and-…

Armey, Dick

(Encyclopedia) Armey, Dick (Richard Keith Armey)Armey, Dickärˈmē [key], 1940–, U.S. congressman, b. Cando, N.Dak., grad. Jamestown College, Univ. of Oklahoma (Ph.D.). A Republican and former…

Hurley, Patrick Jay

(Encyclopedia) Hurley, Patrick Jay, 1883–1963, U.S. cabinet officer, b. Choctaw Territory (now in Oklahoma). Hurley practiced law in Tulsa, Okla., was (1912–17) national attorney for the Choctaw…

Quapaw

(Encyclopedia) QuapawQuapawkwôˈpô [key], Native North Americans, also called the Arkansas, whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American…

peyotism

(Encyclopedia) peyotism, religion of some Native North Americans in which the hallucinogenic peyote button is used as the sacramental food. It is the most widespread indigenous contemporary Native…

Oto

(Encyclopedia) OtoOtoōˈtō [key], Native North Americans, also called the Otoe, whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages). The…

Ozarks, the

(Encyclopedia) Ozarks, the, or Ozark Plateau, upland region, actually a dissected plateau, c.50,000 sq mi (129,500 sq km), chiefly in S Mo. and N Ark., but partly in Oklahoma and Kansas, between the…