Furnas (FUHR-nes), county (720 sq mi/1,865 sq km; 1990 pop. 5,553), S Nebr.; Beaver City; 40°10'N 99°54'W. Agr. region drained by Republican R. and Beaver and Sappa creeks; bounded S by Kansas. Cattle, hogs; dairying; corn, wheat, sorghum, alfalfa. Formed 1873.
Capital city or county seat is shown by the symbol