Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs. Designating symbol SN. Form of individual image numbering: SN-1K-[number], SN-2K-[number], or SN-3K-[number]."Flying completed 6-1-52" Flown by Aero Exploration Company, Tulsa, Oklahoma. "Approximate scale, 1:20,000" [refers to individual images from which mosaic was made].
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