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1948 Map of El Tranquillon
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1948 Map of El Tranquillon

USGS Topo · Published 1948

About this map

Tranquillon Mountain dominates this coastal stretch of the Santa Ynez Mountains, where steep ridgelines descend toward the Pacific Ocean. This 1947 compilation reflects a landscape shaped by wartime defense and early post-war military activity, most notably through the Camp Cooke Military Reservation and a U. S. Naval Radar Station perched on the heights. The Southern Pacific railroad follows the shoreline precisely, connecting small trackside points such as Arguello, Sudden, and The Espada. The terrain is deeply incised by numerous canyons, or cañadas, including Cañada de la Honda and Cañada del Cojo, which drain the southern slopes of the range. Hydrographic data along the coast provides detail on the rocky shoreline at Punta de la Concepcion, marking a significant point of navigation for maritime traffic along the California coast.

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Map Details

Date Portrayed1948
Date Published1948
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions21.9 x 28.9 inches

Editions of this 1948 El Tranquillon Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain