Shows soil types classification by colors and symbols. 'Field operations Bureau of Chemistry and Soils 1930. 'Williams & Heintz Co. Wash. D.C.' Scale 1:63,360. 1 inch = 1 mile. Soils surveyed by C.S. Simmons and R.T. Avon Burke, U.S. Department of Agriculture, and T.M. Bushnell, J.E. Adams and H.P. Ulrich, Purdue University Agricultural Experiment Station.
Creator
Adams, J. E. (James Edward), 1898-, Burke, R. T. Avon (Richard Thomas Avon), 1878-cartographer., Bushnell, T. M. (Thomas Mark),1889-1976, Simmons, C. S. (Charles Shaffer),1900-cartographer., Ulrich, H. P. (Herbert Paul), 1904-cartographer.
Adams, J. E. (James Edward), 1898-, Burke, R. T. Avon (Richard Thomas Avon), 1878-cartographer., Bushnell, T. M. (Thomas Mark),1889-1976, Simmons, C. S. (Charles Shaffer),1900-cartographer., Ulrich, H. P. (Herbert Paul), 1904-cartographer. (1930). Soil map Dubois County Indiana. Bureau of Chemistry and Soils. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00729 (map)