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1927 Map of Aguila Mountains

Name: 1927 Topographic Map of Aguila Mountains
Creator: U.S. Geological Survey
Published: 1960
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1960

About this map

San Cristobal Valley dominates this arid landscape, showing a region defined more by its natural topography than by human settlement. Surveyed by Bishop Moorhead and C.N. Mortenson, the map captures the stark isolation of the southwestern desert before modern development. The central feature is the Aguila Mountains, rising sharply from the basin floor with intricate contouring that illustrates the complex desert terrain.

A sense of the frontier remains in the vast Unsurveyed Area to the east and the sparse network of transit, represented primarily by Yager Road cutting across the valley floor. To the north, the Aztec Hills provide further geological variety. This 1927 data, preserved in a 1960 printing, provides a look at the remote corners of Yuma County where benchmark elevations and natural landmarks were the primary guides for travelers and surveyors alike.