http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sioux City South, Iowa-Nebr.-S. Dak., 1986
1:100 000-scale metric topographic map : 30 x 60 minute series (topographic)
produced by the United States Geological Survey.
Relief shown by countours and spot heights.
Filing title: Sioux City South, Iowa--Nebr.--S. Dakota.
"Map photoinspected using 1987, 1989 and 1990 photographs; no major culture or drainage changes found."
Includes location map and index to adjoining maps.
Scale 1:100,000. 1 cm. on the map represents 1 km. on the ground ;