
Twin Brooks serves as the central hub of this eastern South Dakota landscape, situated along the prominent corridor of the Chicago Milwaukee St Paul and Pacific railroad. The geography is defined by the drainage patterns of the South Fork Whetstone River in the north and the headwaters of the North Fork Yellow Bank River to the south. Land use at the time of this 1970s survey reflects a established rural structure, marked by significant local landmarks such as the Township Cem and a Gravel Pit located near the railway line. The map captures the division of the prairie into several civil townships, including Kilborn, Stockholm, and Madison, showing the grid of section lines and unimproved roads that connected these farming communities.
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This is the sole edition of this map. No revisions or reprints were ever made.
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