The Seven Troughs Range dominates the northwestern portion of this arid Nevada landscape, rising sharply above the desert floor. This 2011 survey captures the area in an era of digital precision, showing the dramatic relief between the peaks and the broad expanse of Sage Valley to the northeast. To the southeast, the terrain transitions into the Trinity Range, a classic example of the Great Basin's north-south mountain structures. The map traces the winding descent of Toll Rock Canyon as it cuts through the highlands, providing a clear view of the natural drainage patterns and the sparse network of local roads that navigate this remote part of Pershing County.
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This is the sole edition of this map. No revisions or reprints were ever made.
1931 · Lovelock
USGS Topo · 1:250,000
1935 · Lovelock
USGS Topo · 1:250,000
1955 · Lovelock
USGS Topo · 1:250,000
1956 · Toulon
USGS Topo · 1:62,500
1959 · Lovelock
USGS Topo · 1:250,000
1981 · Bluewing Flat South
USGS Topo · 1:24,000
1981 · Bluewing Flat North
USGS Topo · 1:24,000
1981 · Seven Troughs
USGS Topo · 1:24,000
1981 · Trinity Pass
USGS Topo · 1:24,000
1981 · Trinity Pass NW
USGS Topo · 1:24,000