Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs. Designating symbol 19041. Form of individual image numbering: 19041-178-[number]. Year Flown 1978. Flown by WAC Corp. Eugene, Oregon. Approximate scale, 1:40,000 Contact the Map Collection at The University of Iowa Libraries: http://www.lib.uiowa.edu/maps/contact/ Scanned at 300 ppi in Greyscale.