Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol SW. Form of individual image numbering: SW-1KK-[number]. Source: Soil Conservation Service. Year flown 1969. Scale 1:45,000 Contact the Map Collection at The University of Iowa Libraries: http://www.lib.uiowa.edu/maps/contact/ Scanned at 300 ppi in Greyscale.