Alcorn, county (401 sq mi/1,039 sq km; 1990 pop. 31,722), NE Miss., bordering N on Tenn.; Corinth; 34°52'N 88°34'W. Farm-prods. processing center. Drained by Hatchie and Tuscumbia rivers. Agr. (corn, soybeans; cattle, hogs); lumbering; mfg. at Corinth. Formed 1870.
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