The East Nishnabotna River serves as the central artery for this portion of Audubon County, flowing past the communities of Exira, Brayton, and Oakfield. This 2010 survey illustrates the structured agricultural grid characteristic of western Iowa, where a network of gravel and paved roads like Falcon Ave and Lark Ave segment the landscape. Small tributaries including Buck Creek, Sifford Creek, and Little Indian Creek feed into the main river valley, creating the subtle drainage patterns that define the local topography.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Omaha
USGS Topo · 1:250,000
1957 · Omaha
USGS Topo · 1:250,000
1957 · Audubon
USGS Topo · 1:62,500
1958 · Omaha
USGS Topo · 1:250,000
1971 · Anita
USGS Topo · 1:24,000
1971 · Wiota
USGS Topo · 1:24,000
1971 · Atlantic
USGS Topo · 1:24,000
1978 · Elk Horn
USGS Topo · 1:24,000
1978 · Kimballton
USGS Topo · 1:24,000
1980 · Harlan
USGS Topo · 1:100,000