Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs. Designating symbol CAC. Form of individual image numbering: CAC-1M-[number], CAC-2M-[number], CAC-3M-[number], or CAC-4M-[number]."Flying completed 9-7-53" Flown by Aero Exploration Company, Tulsa, Oklahoma. "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/