Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol FV. Form of individual image numbering: FV-2T-[number], FV-3T-[number], or FV-4T-[number]."Flying completed 7-10-57" Flown by Robinson Aerial Surveys, Inc. Newark 7, N.J."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/