Ottosen stands as the primary hub of activity in this rural Humboldt County landscape, positioned along the western edge of a dense grid of agricultural section roads. The terrain is defined by the slow meander of prairie waterways, including Lotts Creek and Hine Creek, which wind through the township before reaching the East Fork Des Moines River in the northeast. The rigid geometry of routes like Georgia Ave and 110th St contrasts with the fluid paths of Trulner Creek, illustrating the intersection of Iowa's organized land partitions and its natural drainage patterns. This survey provides a clear view of the mid-century agricultural structure that remained largely intact through the early 2000s, where small-scale drainage ways dictated the placement of homesteads and local transit routes.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Fairmont
USGS Topo · 1:250,000
1954 · Fort Dodge
USGS Topo · 1:250,000
1957 · Fort Dodge
USGS Topo · 1:250,000
1958 · Fort Dodge
USGS Topo · 1:250,000
1958 · Fairmont
USGS Topo · 1:250,000
1972 · Algona
USGS Topo · 1:24,000
1972 · St. Joseph
USGS Topo · 1:24,000
1972 · Livermore
USGS Topo · 1:24,000
1980 · Hobarton
USGS Topo · 1:24,000
1980 · West Bend
USGS Topo · 1:24,000