Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs. Designating symbol EB. Form of individual image numbering: EB-5H-[number], EB-6H-[number], EB-7H-[number], or EB-8H-[number]."Flying completed 10-1-51" Flown by Woltz Studios, Des Moines, Iowa. "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/