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2015 Map of San Bernardino Wash

Name: 2015 Topographic Map of San Bernardino Wash
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

Joshua Tree National Park encompasses the majority of this desert landscape, where the arid environment is defined by expansive lowlands and dramatic elevation changes. The Pinto Basin dominates the central portion of the map, serving as a vast drainage area for the surrounding heights. This basin is fed by ephemeral watercourses including Pinto Wash, San Bernardino Wash, and Smoke Tree Wash, which trace the natural movement of water across the Mojave Desert floor.

Topographical boundaries are marked by the Pinto Mountains in the northwest and the Eagle Mountains in the southeast. These ranges frame the basin, illustrating the geological transition between high and low desert terrain. The absence of modern infrastructure or settlements highlights the protected nature of this wilderness area within Riverside County, preserved as a baseline of California's desert geography in the early 21st century.