Primghar serves as the focal point of this O'Brien County landscape, showcasing a rigid grid of residential streets and arterial roads like N Mc Cormack Ave and S Green Ave. To the northwest, the small settlement of Archer sits near the intersection of Primghar Ave and Oriole Ave. The surrounding terrain is defined by a dense network of sectional roads and a complex drainage system led by Mill Creek, which winds through the center of the quadrangle. This hydrography, including the W Br Mill Creek and Johnson Creek, illustrates the agricultural dependency on natural water courses in northwest Iowa. Smaller communities like Mapleside on the southeastern edge further highlight the dispersed rural settlement pattern typical of the early 21st century in this region.
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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
1964 · Sheldon SE
USGS Topo · 1:24,000
1964 · Sheldon
USGS Topo · 1:24,000
1964 · Primghar
USGS Topo · 1:24,000
1964 · Plessis
USGS Topo · 1:24,000
1964 · Gaza
USGS Topo · 1:24,000