Edmunds, county (1,151 sq mi/2,981 sq km; 1990 pop. 4,356), N central S.Dak.; Ipswich; 45°24'N 99°12'W. Agr. area drained by Snake Creek and other creeks. Wheat, flax, barley, other grains; dairy produce; cattle, hogs, poultry. Mina State Rec. Area in E. L. Parmley reservoir on E boundary (Snake Creek). Formed 1873.
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