1948. Blue line print.; Prepared under the supervision of: M. Parvis.; Report discrepancies found on this map to Joint Highway Research Project, Purdue U... The Project.
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1949. Blueline. 'State roads revised to January 1, 1949.' '1937.' 'Data obtained from 'Statewide Highway Planning Survey.' '9.' Includes location map and... State Highway Commission of Indiana.