Shows 1884 and 1937 high water lines and floodwall. Blueprint. Includes diagram of Louisville and Portland Canal gages showing high water on various dates. "April 1946." "Plate no. 1." Imprint: [Jeffersonville, Ind.?] : Board of Public Works & Safety, [1946] Scale: 1:6,000; Dimensions: 87 x 123 cm Coordinates: W0854556 W0854143 N0381820 N0381537