Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol BJZ. Form of individual image numbering: BJZ-1HH-[number], BJZ-2HH-[number], or BJZ-3HH-[number]."Year Flown 1967" Flown by Utility Data Corporation, Kansas City, MO."Approximate scale, 1:20,000" [refers to individual images from which mosaic was made].4 pages61 × 51 cmislandora: api_845https://digital.lib.uiowa.edu/node/179553engUnited States. Agricultural Stabilization and Conservation ServiceUtility Data CorporationUniversity of Iowa. Libraries. Map CollectionPublicDallas County, Iowa, 1967, aerial photomosaic indexImageryIowa--Dallas CountyIowa1960-1970University of Iowa