The Sonoma Range and the Tobin Range converge in this high-desert landscape of Pershing County, where steep drainage systems define the rugged topography. The interior is marked by several prominent geological breaks, including Sheep Ranch Canyon and Panther Canyon, which channel water toward the lower elevations. Early transportation routes through this arid terrain are represented by unpaved tracks such as Panther Canyon Rd and Ragan Creek Rd, navigating the passes between the peaks. Water sources, vital for survival and livestock in this environment, are specifically pinpointed at Petain Spring and Mud Spring. In the north, the terrain softens into the Pumpernickel Valley, while seasonal flows like Pollard Cr and China Cr illustrate the intermittent hydrography of the Great Basin.
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This is the sole edition of this map. No revisions or reprints were ever made.
1932 · Sonoma Range
USGS Topo · 1:250,000
1939 · Sonoma Range
USGS Topo · 1:250,000
1955 · Winnemucca
USGS Topo · 1:250,000
1958 · Winnemucca
USGS Topo · 1:250,000
1961 · Mt. Tobin
USGS Topo · 1:62,500
1961 · Leach Hot Springs
USGS Topo · 1:62,500
1962 · Winnemucca
USGS Topo · 1:250,000
1962 · Buffalo Springs
USGS Topo · 1:62,500
1965 · Smelser Pass
USGS Topo · 1:24,000
1965 · China Mountain
USGS Topo · 1:24,000