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2021 Map of Tunnel Spring

Name: 2021 Topographic Map of Tunnel Spring
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

Tunnel Spring serves as a critical water source in this high-desert region of Pershing County, marking a landscape where survival and movement have long depended on reliable springs. The topography is defined by the convergence of several significant mountain ranges and ridges, including the Nightingale Mountains in the southwest and the Sahwave Mountains to the southeast. These highlands create distinct natural corridors such as Stonehouse Canyon and the broad Sage Hen Valley.

The distribution of water features like Lower Stonehouse Spring and Upper Stonehouse Spring indicates a legacy of livestock grazing and early desert travel. In the eastern portion of the map, the Granite Springs Ridge rises sharply, while Sage Hen Wash provides a natural drainage route through the basin. This terrain demonstrates how the physical geography of the Great Basin dictates the placement of roads and the location of isolated landmarks.