Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs. Designating symbol FQ. Form of individual image numbering: FQ-1A-[number], FQ-2A-[number], or FQ-3A-[number]."Flying completed 7-19-40." Flown by Aero Service Corp. Philidelphia, Pa. "Approximate scale, 1:20,000" [refers to individual images from which mosaic was made].
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