
The Minnesota River valley carves a distinct path through the agricultural heartland of southern Minnesota on this mid-century survey. The landscape is defined by its deep cultural history and glacial heritage, featuring several commemorative sites such as the Milford State Monument and the Upper Sioux Indian Mission. Early transportation routes like the Yellow Medicine Trail parallel the river, while the modern industrial footprint is seen in the heavy rail presence of the Great Northern and Chicago and North Western lines. Numerous prairie lakes, including Big Kandiyohi Lake, Lake Lillian, and Cedar Lake, are scattered across the plains. These water bodies, along with the many small towns like Silver Lake and Montevideo, illustrate the dense grid of rural settlements and drainage patterns that characterize the region during the post-war era.
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1950 · Mankato East
USGS Topo · 1:62,500
1951 · Mankato East
USGS Topo · 1:62,500
1951 · Mankato West
USGS Topo · 1:62,500
1952 · Morton
USGS Topo · 1:62,500
1952 · Redwood Falls
USGS Topo · 1:62,500
1953 · Morgan
USGS Topo · 1:62,500
1953 · Milbank
USGS Topo · 1:250,000
1953 · Saint Paul
USGS Topo · 1:250,000
1953 · Watertown
USGS Topo · 1:250,000
1953 · New Ulm
USGS Topo · 1:250,000