Appanoose, county (523 sq mi/1,355 sq km; 1990 pop. 13,743), S Iowa, on Mo. line; Centerville; 40°44'N 92°52'W. Prairie agr. region (sheep, hogs, cattle, poultry; corn, soybeans, hay) and bituminous-coal-mining area drained by Chariton R.; limestone quarries. Part of Stephens State Park in NE., Sharon Bluffs State Park SE of Centerville. Rathbun Dam and Lake in NW. Henry Creek State Park on N shore. Formed 1843.
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