Hayford Lake and the high plains of the Nebraska-South Dakota border define this 2017 topographic study. Situated along the boundary between Keya Paha County and Tripp County, the landscape is characterized by intermittent wetlands and small catchments typical of the Sandhills transition. The presence of Worth Reservoir suggests a reliance on water management for ranching and livestock in this sparsely settled region. The map details the Section-Township-Range grid that organizes this vast agricultural terrain, showing the precise placement of windbreaks and rural access roads that connect isolated properties across the state line.
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This is the sole edition of this map. No revisions or reprints were ever made.
1950 · Norden
USGS Topo · 1:62,500
1950 · Huddle Table
USGS Topo · 1:24,000
1952 · Norden
USGS Topo · 1:62,500
1955 · Martin
USGS Topo · 1:250,000
1955 · Mitchell
USGS Topo · 1:250,000
1955 · O'Neill
USGS Topo · 1:250,000
1957 · Valentine
USGS Topo · 1:250,000
1958 · Martin
USGS Topo · 1:250,000
1959 · Valentine
USGS Topo · 1:250,000
1959 · O'Neill
USGS Topo · 1:250,000