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.
    
  
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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.
    
  
    
      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.
    
  
    
      1964. Blue line print.; Drawn by J.B., checked by D.A.H., approved by C.M.C.; Revised Aug. 1964. Scale 1:600. 1 = 50'. The Dept.?.