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1951 Map of Simi Valley East, 1994 Print
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1951 Map of Simi Valley East

USGS Topo · Published 1994

About this map

Santa Susana and its surrounding ranchlands occupy the heart of this 1951 topographic study, updated in 1969 to show the rapid urban expansion of the era. The terrain is defined by the steep southern slopes of the Santa Susana Mountains and Oak Ridge, where deep incisions like Tapo Canyon and Las Llajas Canyon drain toward the Arroyo Simi. Local industry and land use are evidenced by the Tapo Gumbrand Mine and several large private holdings, including Tapo Ranch and Marr Ranch.

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Map Details

Date Portrayed1951
Date Published1994
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1951 Simi Valley East Map

Historical Maps of Los Angeles Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain