Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol 19187. Form of individual image numbering: 19187-172[number]. Year Flown 1972. Flown by Surdex Corporation, St. Louis, MO. Scale, 1:40,000
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Scanned at 300 ppi in Greyscale.