Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol BZV. Form of individual image numbering: BZV-1V-[number], BZV-2V-[number], or BZV-3V-[number]."Flying completed 9-2-58" Flown by Park Aerial Surveys, Inc. Louisville, K.Y."Approximate scale, 1:20,000" [refers to individual images from which mosaic was made].
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