1930. Iowa. State Planning Board. Committee on Water Flow & Supply & Stream Pollution. 1 map black line ; 83 x 114 cm Iowa state plan. "Project 1044." "1044-1.". Iowa. State Planning Board.
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1936. Blueprint.; Shows major drainage basins of Indiana with major rivers, counties and cities. Scale approximately 1:500,000. The Board.
1970. Powell, Richard L., cartographer. Blue line print.; Rlp-1970.; Base map from USGS 7.5 minute topographic quadrangles, 1964. Scale approximately 1:12,000.
1947. Blueline.; Prepared under the supervision of: M. Parvis. Scale approximately 1:63,360. State Highway Commission of Indiana.
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.
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.
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.