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2021 Map of Boulder City SE

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

USGS Topo · Published 2021

About this map

The Eldorado Mountains dominate the southern half of this landscape, where the arid terrain is carved by steep drainages like Oak Creek Canyon and the evocatively named Lonesome Wash. This section of the Mojave Desert serves as a transition between the high desert peaks and the vast desert floor of Eldorado Valley. Notable landmarks include Pilot Cone, a distinct high point that likely served as a navigational aid in this expansive environment.

Water is a rare but critical element shown on this survey, appearing as isolated points such as Forlorn Hope Spring and Davis Spring. These water sources are clustered near the eastern boundary, which is primarily managed within the Lake Mead National Recreation Area. The presence of established washes like Quail Wash indicates the primary routes of seasonal runoff toward the Colorado River basin, defining the topographic grain of the region.