
The agrarian landscape of Sully County is defined by the rigid grid of the Public Land Survey System, which establishes clear boundaries for several townships including t114n r76w and t115n r75w. This modern 2021 topographic survey reveals a terrain marked by subtle depressions and numerous seasonal wetlands scattered across the plains. Access throughout this rural area is facilitated by a network of sectional roads such as E Onida Rd and various numbered corridors including 309th Ave and 310th Ave. The map provides a detailed view of the drainage patterns and elevation changes across these vast sections of the South Dakota prairie, offering a clear record of the intersection between human-imposed township lines and the natural hydrology of the Great Plains.
20 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.
1953 · Huron
USGS Topo · 1:250,000
1954 · Pierre
USGS Topo · 1:250,000
1954 · Huron
USGS Topo · 1:250,000
1958 · Pierre
USGS Topo · 1:250,000
1965 · Agar
USGS Topo · 1:24,000
1967 · Onida SE
USGS Topo · 1:24,000
1967 · Blunt
USGS Topo · 1:24,000
1967 · Blunt SE
USGS Topo · 1:24,000
1967 · Blunt NW
USGS Topo · 1:24,000
1967 · Blunt NE
USGS Topo · 1:24,000