Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol 19025. Form of individual image numbering: 19025-181-[number]. Year Flown 1981. Flown by Rainier Aerial Surveys Inc. Olympia Washington. Approximate scale 1:40,000Contact the Map Collection at The University of Iowa Libraries: http://www.lib.uiowa.edu/maps/contact/Scanned at 300 ppi in Greyscale.JPEGui:api_2405engUnited States. Agricultural Stabilization and Conservation ServicePublicCalhoun County, Iowa, 1981, aerial photomosaic indexImageryIowa--Calhoun CountyIowa1980-1990University of Iowa