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1956 Map of Durmid SE, 1959 Print
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1956 Map of Durmid SE

USGS Topo · Published 1959

About this map

The vast expanse of the Salton Sea dominates this mid-century survey of the Imperial Valley, reaching a recorded elevation 235 feet below sea level at the time of mapping. This shoreline reveals a landscape defined by military and state interests, featuring the extensive Salton Sea Test Base and a large Naval Reservation covering much of the water's surface. Along the northeastern edge, the Southern Pacific railroad corridor and Route 111 provide the primary transit links through this arid environment, passing through the small settlement of Bertram. The presence of a Flight Course Pylon near the water suggests the area's specialized aeronautical use during the Cold War. Most of the eastern shoreline is designated as State Park, highlighting the early efforts to manage this unique basin before its later ecological shifts.

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Map Details

Date Portrayed1956
Date Published1959
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1956 Durmid SE Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain