2021 Map of Rat Islands C-2 NE, 2021 Print
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2021 Map of Rat Islands C-2 NE

USGS Topo · Published 2021

About this map

Semisopochnoi Island presents a landscape dominated by volcanic landforms within the Aleutians West area of the Bering Sea. The terrain is defined by dramatic elevations, most notably the central peak of Mt Cerberus and the northern prominence of Anvil Peak. The island's complex topography includes numerous volcanic features such as Lakeshore Cone, Threequarter Cone, and Sugarloaf Peak, illustrating the active geological forces that shaped this portion of the Rat Islands group. The coastline is marked by distinct geographic markers, from the northern West-northwest Point and West-northwest Bight down to the southern reaches of South Point and Sugarloaf Head. These features, along with Perret Ridge and Southwest Knob, provide a comprehensive look at this uninhabited island's natural structure as documented by the U.S. Geological Survey.


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Map Details

Date Portrayed2021
Date Published2021
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2021 Rat Islands C-2 NE Map

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


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CopyrightPublic Domain