Title supplied by cataloger based on information from sheet label. Image is a photoreduction of the mosaic created from original aerial photographs. Designating symbol TC. Form of individual image numbering: TC-3R-[number], TC-6R-[number], TC-7R-[number], TC-8-[number], TC-10R-[number],"Flying completed 9-13-57" Flown by Woltz Studios, Inc. Des Moines, Iowa. "Approximate scale, 1:20,000" [refers to individual images from which mosaic was made].
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