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1929 Map of Laguna

Name: 1929 Topographic Map of Laguna
Creator: U.S. Geological Survey
Published: 1929
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1929

About this map

The Colorado River and Gila River converge in this 1920s survey, marking a landscape defined by hydraulic engineering and frontier mining. The presence of the Laguna Dam illustrates the early efforts of the State Water Commissioner to manage the desert's most vital resource. Along the riverbank, Castle Dome Landing remains a key point of reference, reflecting the historical importance of river transit before the full expansion of the Southern Pacific Road through the region.

Industrial activity is concentrated in the Silver District and at the Old Senator Mine, where the geography transitions into the sharp relief of the Laguna Mts and Muggins Mts. The map also delineates the Yuma I R and the critical boundary between Imperial Co and Yuma Co, providing a clear look at the political and geological layout of the Arizona-California borderlands during the era of Governor Geo. W. P. Hunt.