Shows soil types classification by colors and symbols. 'Field Operations Bureau of Soils 1912.' 'A. Hoen & Co. Lith. Baltimore, Md.' Scale 1:63,360. 1 inch = 1 mile. U.S. Dept of Agriculture, Bureau of Soils; State of Indiana, Department of Geology; soils surveyed by W.E. Tharp, of the U.S. Department of Agriculture and E.J. Quinn of the Indiana Department of Geology.
Creator
Quinn, E. J. (Edward J.), Tharp, W. E. (William Edgar)
Quinn, E. J. (Edward J.), Tharp, W. E. (William Edgar) (1912). Soil map, Indiana, Boone County sheet. The Bureau. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00766 (map)