
The Niobrara River corridor dominates the southern edge of this landscape, where the Niobrara National Scenic River and Niobrara Wild and Scenic River preserve the winding waterway along the border of Keya Paha and Rock counties. The terrain north of the river transitions into a high plateau dissected by drainage systems like Big Anne Cr, which carves a path through the central portion of the quadrangle. Settlement is sparse, represented by the small location of Dyer situated along the western edge.
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This is the sole edition of this map. No revisions or reprints were ever made.
1949 · Jamison SW
USGS Topo · 1:24,000
1949 · Riverview
USGS Topo · 1:24,000
1949 · Carns
USGS Topo · 1:24,000
1950 · Carns
USGS Topo · 1:24,000
1950 · Riverview
USGS Topo · 1:24,000
1950 · Mariaville
USGS Topo · 1:24,000
1951 · Jamison SW
USGS Topo · 1:24,000
1954 · Newport NE
USGS Topo · 1:24,000
1955 · O'Neill
USGS Topo · 1:250,000
1959 · O'Neill
USGS Topo · 1:250,000