The Missouri River carves a massive, winding path through this portion of Monona County, defining the boundary between Iowa and Nebraska. The river’s shifting nature is evident in the dramatic arcs of Winnebago Bend and Upper Omaha Mission Bend, which shape the western landscape. These wide alluvial plains are marked by significant hydrological modifications designed to manage water flow across the flat valley floor, most notably the Sand Hill Lake Ditch which cuts across the central section of the map.
29 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Sioux City
USGS Topo · 1:250,000
1958 · Sioux City
USGS Topo · 1:250,000
1959 · Sioux City
USGS Topo · 1:250,000
1964 · Luton
USGS Topo · 1:24,000
1964 · Homer
USGS Topo · 1:24,000
1964 · Salix
USGS Topo · 1:24,000
1966 · Walthill SW
USGS Topo · 1:24,000
1966 · Walthill
USGS Topo · 1:24,000
1966 · Macy
USGS Topo · 1:24,000
1969 · Albaton
USGS Topo · 1:24,000