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1988 Map of Little Chuckwalla Mountains

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

USGS Topo · Published 1988

About this map

The Little Chuckwalla Mountains dominate this arid landscape at the border of Riverside and Imperial counties. This late-twentieth-century survey reveals a region defined by its geological interest and rugged accessibility, notably featuring the Geode Beds tucked within the southern reaches of the range. The terrain transitions into the Black Hills toward the southeast, where the presence of numerous prospects and a singular prospect indicates a history of mineral exploration and small-scale mining activity.

Transportation through this desert environment is limited to specialized routes, including 4wd tracks and a major Trans Line corridor that cuts across the basin. These features, along with the detailed elevation contours, provide a clear record of the area's physical geography and human utility before further modern development. The mapping shows a remote sector where surveying was primarily focused on identifying terrain hazards and natural resources.