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1959 Map of Twitchell Dam, 1970 Print
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1959 Map of Twitchell Dam

USGS Topo · Published 1970

About this map

The Twitchell Dam and its resulting Twitchell Reservoir dominate this 1959 survey of the rugged California coastal range. Located at the confluence where the Cuyama River meets the Santa Maria River, the dam represents a significant mid-century hydrological project by the Bureau of Reclamation. The map captures the complex terrain of the Sierra Madre Mountains to the east, including Las Coches Mtn and the steep drainages of Coches Canyon.

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Map Details

Date Portrayed1959
Date Published1970
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 26.9 inches

Editions of this 1959 Twitchell Dam Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain