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1988 Map of Rockhouse Canyon

Name: 1988 Topographic Map of Rockhouse Canyon
Creator: U.S. Geological Survey
Published: 1988
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1988

About this map

Little San Bernardino Mountains dominate this 1988 provisional survey, revealing a landscape defined by sharp elevation changes and complex drainage systems. The northern portion is heavily dedicated to the Joshua Tree National Monument and the Joshua Tree Wilderness, where administrative boundaries overlay the natural topography of the Hexie Mountains.

Modern infrastructure cuts through this arid environment via the Colorado River Aqueduct, which follows the southern contours of the ranges. The map traces numerous deep washes including Rockhouse Canyon, Fargo Canyon, and Thermal Canyon, providing a detailed look at the hydrology of Riverside County. A single prospect in the northwest corner serves as a reminder of the mineral interests that once drew explorers to these desert canyons.