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1981 Map of Santa Catalina Island
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1981 Map of Santa Catalina Island

USGS Topo · Published 1981

About this map

Santa Catalina Island dominates this 1980s offshore study, showing the topographic complexity of the Channel Islands before modern development intensified. The settlement of Avalon sits at its eastern harbor, while the narrow neck of the island is anchored by Two Harbors, separating Isthmus Cove from Catalina Harbor. High points like Mt Orizaba and Mt Banning illustrate the interior's steep drainage patterns, including Cottonwood Canyon and Big Springs Canyon. To the south, the map details the northern tip of San Clemente Island, specifically the Naval Ocean Systems Center San Clemente Island Facility and the Reservation Bdy. This edition is particularly valuable for its inclusion of Bureau of Land Management protraction data, marking official offshore blocks across the San Pedro Channel and the Outer Santa Barbara Passage.

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Map Details

Date Portrayed1981
Date Published1981
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:100,000
Physical Dimensions42.6 x 23.9 inches

Editions of this 1981 Santa Catalina Island Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain