Soils surveyed by W. J. Geib and Frank C. Schroeder. Shows soil types classification by colors and symbols., Imprint: Washington, D.C.: Bureau of Soils. [1907?], Dimensions: 51 x 50 cm; Scale: 1:63,360
[Creator not found] (1907). Soil map, Indiana, Marion County sheet. United States. Bureau of Soils. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00876 (map)