1949. Blueline print. 'State roads revised to January 1, 1949.' 'Service discontinued on Indiana Service Corporation between Peru & Ft. Wayne September 1... State Highway Commission of Indiana.
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1908. Jones, Grove B., 1877- cartographer. Shows soil types classification by colors and symbols.; Soils surveyed by Grove B. Jones and Cornelius Van Duyne.; Field operations Bureau of Soils... The Bureau.