Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol BZT. Form of individual image numbering: BZT-1FF-[number], BZT-2FF-[number], or BZT-3FF-[number]. "Year Flown 1965". Flown by Park Aerial Surveys, Inc. Louisville, K.Y. "Approximate scale, 1:20,000" [refers to individual images from which mosaic was made].Contact the Map Collection at The University of Iowa Libraries: http://www.lib.uiowa.edu/maps/contact/JPEGui:api_1260engUnited States. Agricultural Stabilization and Conservation ServicePublicHardin County, Iowa, 1965, aerial photomosaic indexImageryIowa--Hardin CountyIowa1960-1970University of Iowa