Shows soil types classification by colors and symbols.; Soils surveyed by W.E. Tharp, of the U.S. Department of Agriculture, in charge, and T.M. Bushnell and J.E. Adams of the Purdue University Agricultural Experiment Station.; Field operations Bureau of Soils 1922. Scale 1:63,360. 1 inch =1 mile.
Tharp, W. E.(William Edgar), cartographer. (n.d.). Soil map, Indiana, Lawrence County sheet. The Bureau. http://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00580 (map)