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2021 Map of Wildhorse Pass

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

USGS Topo · Published 2021

About this map

The West Humboldt Range dominates the eastern half of this landscape, rising sharply above the alluvial floor of the Great Basin. To the west, the arid basin is defined by an intricate network of water management, where the Humboldt River and various man-made channels like the Union-Rodgers Canal, Seven Ditch, and Sommers Ditch redirect the flow for agricultural use. This division between the stark, elevated terrain and the engineered valley floor illustrates the critical role of irrigation in sustaining the region.

Tracing the path of early migration, the Old California Trl cuts across the lower elevations, providing a historical throughline for travelers heading west. The eponymous Wildhorse Pass serves as a natural gap through the ridges, connecting the open flats near S Meridian Rd to the more varied topography of the range. The map clearly documents the grid of section lines and local roads like Westergard Rd that organize this high-desert environment.