291. Yield of wheat per square mile: 1890. 292. Production of wheat per acre of improved land: 1890. 293. Average yield of wheat per acre: 1890. 294. Production of wheat per capita: 1890. Julius Bien & Co. Lith., N.Y. (1898): Statistical atlas of the United States, based upon results of the Eleventh Census (1890). By Henry Gannett. Washington: Government Printing Office. 1898. (At head of title:) Department of the Interior, Census Office. Robert P. Porter, Superintendent ... Carroll D. Wright, Commissioner of Labor in Charge ... (seal) Department of the Interior