The Middle Branch Middle Loup River and South Branch Middle Loup River define this portion of the Nebraska Sandhills, carving subtle valleys through a landscape of alkaline lakes and meadows. This 2011 survey illustrates a sparsely populated ranching region where infrastructure is limited to occasional arterial paths like Raymond Lake Rd. The settlement of Duluth serves as a small waypoint in the southeastern corner of the quadrangle, situated near the western reaches of the Loup River system. The hydrologic character of the area is further shaped by prominent water bodies including Frye Lake, Revere Lake, and the clustered Three Lakes, which are characteristic of this ecologically distinct high plains environment.
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This is the sole edition of this map. No revisions or reprints were ever made.
1948 · Ashby
USGS Topo · 1:62,500
1948 · George Lake
USGS Topo · 1:62,500
1948 · Whitman
USGS Topo · 1:62,500
1948 · Spring Valley
USGS Topo · 1:62,500
1949 · Ashby
USGS Topo · 1:62,500
1950 · Spring Valley
USGS Topo · 1:62,500
1950 · Whitman
USGS Topo · 1:62,500
1950 · George Lake
USGS Topo · 1:62,500
1954 · North Platte
USGS Topo · 1:250,000
1956 · North Platte
USGS Topo · 1:250,000