1938. Aretz, R. and Magnusson, L. R. Blue line print. '1953.' 'Prepared by L.R. Magnusson.' 'Drawn by R. Aretz.' Scale approximately 1:63,360.; Polyconic projection By Joint Highway Re... Joint Highway Research Project, Purdue University.
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1940. Parvis, M. Blueline. 'Prepared under the supervision of: M. Parvis.' Scale approximately 1:63,360. By State Highway Commission of Indiana at Purdue University. State Highway Commission of Indiana.
1947. Blue line print.; Prepared under the supervision of C.J. Van Til. Scale approximately 1:65,000; Polyconic projection. The Project.
1949. Parvis, M. Blueline. 'Prepared under the supervision of: M. Parvis.' Scale approximately 1:63,360; Polyconic proj. By State Highway Commission of Indiana at P... State Highway Commission of Indiana.
1953. Blue line print.; 1953.; Prepared by L.R. Magnusson.; Drawn by R.C. Cordero. Scale approximately 1:63,360.; Polyconic projection. Joint Highway Research Project, Purdue University.
1927. Malott, Clyde A. Pen, colored ink and colored pencils on drafting cloth. Includes table of drainage areas. Scale approximately 1:31,680. By Clyde A. Malott.
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.
1959. Shows weather stations and stream gages. Scale approximately 1:250,000.
1931. Swinehart, C. V., cartographer. The crossroads of America.; Includes one mile distance circles centered on Monument Circle, street index and advertisements.; Includes Dreher's cou... D. Frank Dreher.
1940. Includes chart showing type of land use, acreage, and recommended use. Scale not given. The Committee.