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1971 Map of Snap Canyon West

Name: 1971 Topographic Map of Snap Canyon West
Creator: U.S. Geological Survey
Published: 1974
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1974

About this map

Lake Mead National Recreation Area dominates this early 1970s topographic study, capturing the point where the Colorado River transitions into the expansive waters of Lake Mead. The map details a dramatic landscape of desert hydrology and high relief, marked by the towering Grand Wash Cliffs and the jagged profile of the Cock S Comb.

Remote landforms such as Gods Pocket and Sanup Plateau suggest the isolation of northwestern Arizona before modern development, with only a sparse network of Jeep Trails providing access through Snap Canyon and Balanced Rock Canyon. Vital water sources like Chill Heal Spring and the drainage of Pigeon Wash are carefully recorded, alongside the depths of the Lower Colorado River as it passes through Granite Gorge.