Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs. Designating symbol BJT. Form of individual image numbering: BJT-1D-[number], or BJT-2D-[number]."Flying completed Aug. 18, 1948." Flown by Park Aerial Surveys, Inc. Louisville, Kentucky. "Approximate scale, 1:20,000" [refers to individual images from which mosaic was made]. Contact the Map Collection at The University of Iowa Libraries: http://www.lib.uiowa.edu/maps/contact/