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1931 Map of Carrizo

Name: 1931 Topographic Map of Carrizo
Creator: U.S. Geological Survey
Published: 1938
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1938

About this map

Vallecita and its nearby Vallecita Water anchor the northern reaches of this topographic study, where the Vallecita Mountains give way to the expansive Vallecita Wash. The landscape is defined by its transition from high ridges like Fish Creek Mt. to the arid depths of the Coyote Mountains. Small settlements and family holdings such as Laguna Ranch, Valdez, and Miller appear alongside indigenous sites like McCains Indians, indicating a sparse but persistent human presence in the desert interior.

Water sources are the primary drivers of location here, evidenced by Agua Caliente Hot Springs, Dos Cabezas Spring, and Carrizo Wells. Along the southern edge, the United States Mexico International Boundary runs through Jacumba Valley and past Campo P.O., marking the high-desert borderlands during the early twentieth century. The map also traces vital drainage systems like Cane Brake Canyon and Cottonwood Creek as they cut through the Barren Gravel Hills.