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1964 Map of Grays Well NE, 1979 Print
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1964 Map of Grays Well NE

USGS Topo · Published 1979

About this map

The Imperial Sand Dunes and their shifting Sand Hills dominate this borderland landscape, where the arid desert meets the engineering of the mid-20th century. The All American Canal cuts a stark line across the dunes, illustrating the massive water-diversion efforts vital to the region's agricultural development. Along the southeastern edge, the Colorado River serves as a natural boundary between California, Arizona, and Mexico, supporting life in the Yuma Valley. This survey captures the transition from the high, arid ground of Pilot Knob Mesa and the landmark Pilot Knob down to the irrigated corridor of the Cocopah Indian Reservation. The presence of the Southern Pacific railroad and the Pesch. Canal near the Well symbol highlight the infrastructure required to maintain human settlement in this extreme environment.

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Map Details

Date Portrayed1964
Date Published1979
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1964 Grays Well NE Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain