Other contributors E. J. Grimes, R. S. Hesler, H. G. Young. 53 x 53cm. (W 86015'--W 85051'/N 40013'--N 39056'). Includes legend in margins. Imprint: [Washington, D.C.] : U.S. Dept. of Agriculture, Bureau of Soils, 1912. Dimensions: 53 x 53 cm