The low-lying agricultural plains of Polk County, Minnesota, are defined by a rigorous grid of section lines and drainage infrastructure. Water management is the primary landscape feature, dominated by the Judicial Ditch Number Seventyfive, also labeled as Judicial Ditch 75. This channel cuts across the northern tiers of the map, illustrating the massive scale of public works required to reclaim this prairie land for cultivation. The topography is exceptionally flat, with the road network following strict township and range lines. Key thoroughfares such as Co Hwy 23, Co Hwy 67, and Co Hwy 21 provide the backbone for rural movement, connecting isolated farmsteads across the townships of T154N, T153N, and T152N. The map reveals a highly structured landscape where natural drainage has been engineered into a rectilinear system to support the region's deep-rooted farming heritage.
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This is the sole edition of this map. No revisions or reprints were ever made.
1918 · Warren
USGS Topo · 1:62,500
1934 · Grand Forks
USGS Topo · 1:24,000
1934 · Grand Forks
USGS Topo · 1:62,500
1938 · Grand Forks
USGS Topo · 1:62,500
1952 · Grand Forks
USGS Topo · 1:250,000
1952 · Thief River Falls
USGS Topo · 1:250,000
1955 · Warren
USGS Topo · 1:62,500
1956 · Thief River Falls
USGS Topo · 1:250,000
1956 · Grand Forks
USGS Topo · 1:250,000
1957 · Thief River Falls
USGS Topo · 1:250,000