Shows soils types classification by colors and symbols.; Surveyed in 1937. Series 1937.; Lith. A. Hoen & Co., Inc. Scale 1:24,000; Polyconic projection
Ulrich, H. P. (Herbert Paul), 1904-cartographer. (n.d.). Soil map, Morgan County Indiana. The Bureau. http://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00635 (map)