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1943 Map of Triunfo Pass
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1943 Map of Triunfo Pass

USGS Topo · Published 1943

About this map

Thousand Oaks Community and the surrounding Conejo Valley reflect a transitional landscape in the early 1940s, where small settlements and ranching estates dominate the interior terrain before the era of major suburban expansion. The Santa Monica Mountains form a complex backdrop, deeply incised by numerous drainages such as Trancas Canyon and Solstice Canyon that descend toward the Pacific Ocean. Local institutional life is marked by rural schoolhouses including Timber Sch and Cornell Grade Sch, while recreation centers around Lake Sherwood, Malibu Lake, and Seminole Hot Springs. The presence of several large private holdings like Chamberlain Ranch and Trancas Ranch suggests the area's agricultural and pastoral character during this period. Strategic coastal and mountain monitoring is evidenced by the Lechuza Patrol Station and Zuma Patrol Station, highlighting the regional security concerns during the war years.

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Map Details

Date Portrayed1943
Date Published1943
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions17.3 x 21.7 inches

Editions of this 1943 Triunfo Pass Map

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

Historical Maps of Thousand Oaks Through Time

237 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain