The Big Sioux River serves as the prominent natural boundary between South Dakota and Iowa on this 2015 topographic survey. The landscape is defined by a dense grid of rural roads and section lines, including Virginia Rd and numerated corridors such as 301st St and 302nd St. This quadrangle captures a quiet agricultural region where small family and community burial grounds remain the primary named landmarks of the social fabric. Genealogists can trace local history through the presence of several established cemeteries, including Nathanael Cem, Pleasant Hill Cem, Pleasant Valley Cem, and Erickson Cem. A network of small waterways, such as E Brule Cr, Green Cr, and Finnie Cr, weave through the surveyed townships, illustrating the drainage patterns that shaped the early settlement and modern agricultural layout of Union County.
26 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.
1897 · Canton
USGS Topo · 1:125,000
1898 · Elk Point
USGS Topo · 1:125,000
1900 · Canton
USGS Topo · 1:125,000
1901 · Elk Point
USGS Topo · 1:125,000
1907 · Elk Point
USGS Topo · 1:125,000
1955 · Sioux City
USGS Topo · 1:250,000
1955 · Sioux Falls
USGS Topo · 1:250,000
1958 · Sioux City
USGS Topo · 1:250,000
1958 · Sioux Falls
USGS Topo · 1:250,000
1959 · Sioux City
USGS Topo · 1:250,000