Shows soil types classification by colors and symbols. 'Field Operations, Bureau of Chemistry and Soils, 1930.' 'Lith Eastern Offset Inc., Balto.' Scale 1:63,369. 1 inch = 1 mile. U.S. Department of Agriculture, Bureau of Chemistry and Soils; Purdue University Agricultural Experiment Station; soils surveyed by B.H. Hendrickson, U.S. department of Agriculture, in charge, and T.M. Bushnell, H.P. Ulrich and D.R. Kunkel, Purdue University Agricultural Experiment Station.
Creator
Bushnell, T. M. (Thomas Mark),1889-1976,surveyor., Hendrickson, B. H. (Bertram Higbie),1892-surveyor, Kunkel, D. R. (David Roy),1901-surveyor., Ulrich, H. P. (Herbert Paul),1904-surveyor.
Bushnell, T. M. (Thomas Mark),1889-1976,surveyor., Hendrickson, B. H. (Bertram Higbie),1892-surveyor, Kunkel, D. R. (David Roy),1901-surveyor., Ulrich, H. P. (Herbert Paul),1904-surveyor. (1930). Soil map, Ohio and Switzerland Counties, Indiana. The Bureau. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00959 (map)