Relief shown by contours and spot heights. "Revised from aerial photographs taken 1991; field checked 1993; map edited 1995." Includes quadrangle location map and index to adjoining quadrangles. "42096-D4-TF-024." "DMA 6768 IV NW--Series V875."
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.