Shows soil types classification by colors and symbols.; Field Operations, Bureau of Soils, 1905.; A. Hoen & Co. Lith. Baltimore, Md. Scale 1:63,360. 1 inch = 1 mile
Neill, N. P.(Nelson Prentice), cartographer. (1905). Soil map, Indiana, Newton County sheet. The Bureau. http://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00047 (map)