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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1947. Blue line print.; Prepared under the supervision of C.J. Van Til. Scale approximately 1:65,000; Polyconic projection. The Project.
1954. Yeh, P. T. (Pao-Tai),1920-cartographer. Blue line print. 'Prepared under the supervision of: P.T. Yeh.' Scale approximately 1:63,360; Polyconic projection By Joint Highway Research Projec... The Project.