1949. Blueline. 'State roads revised to January 1, 1949.' 'Data obtained from Statewide Highway Planning Survey.' Includes chart 'Culture in unincorporat... State Highway Commission of Indiana.
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1919. Baldwin, Mark (Soil surveyor), Jones, S. C. (Sadocie Conellee),1880-cartographer., and Slipher, J. A. Shows soil types classification by colors and symbols. 'Field operations Bureau of Soils.' Scale 1:63,360. 1 inch = 1 miles. U.S. Dept. of Agricult... The Bureau.