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1955 Map of Big Maria Mts SE

Name: 1955 Topographic Map of Big Maria Mts SE
Creator: U.S. Geological Survey
Published: 1963
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1963

About this map

The Colorado River carves a fertile corridor through the arid desert landscape, serving as the fluid border between California and Arizona. This mid-century survey captures a riverside culture defined by seasonal fishing camps and recreational landings like River Bend Lodge, Hankers Camp, and the Blythe Boat Club. East of the river, the Colorado River Indian Reservation occupies the valley floor, while to the west, the desert floor rises sharply into the Big Maria Mountains.

Cultural history is prominently visible at the Giant Indian Intaglios, massive geoglyphs etched into the desert pavement that indicate the deep ancestral significance of the Colorado River Valley. The mapping of several Prospect locations and a Quarry near Black Point suggests the era's ongoing mineral interest. Isolated outposts like Hills Ranch stand as evidence of the challenging efforts to settle this riparian edge before modern desert development.