Relief shown by contours and spot heights. "Topography by photogrammetric methods from aerial photographs taken 1961 and planetable surveys 1964. Revised from aerial photographs taken 1991. Field checked 1993. Map edited 1994." Includes quadrangle location map. "DMA 6669 II SW--Series V875." "42096-E6-TF-024."
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.