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2021 Map of Unimak D-1 NW, 2021 Print
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2021 Map of Unimak D-1 NW

USGS Topo · Published 2021

About this map

Bering Sea waters dominate the northern reaches of this coastal quadrangle, where the shallow shelf of the Slime Bank meets the Aleutian shoreline. The landscape is characterized by the complex tidal environment of Urilia Bay, an area defined by extensive wetlands and coastal transition zones. This survey captures the remote geography of the Aleutians East Borough, documenting the specific intersection of maritime features and the interior coastal plain during the early twenty-first century. The mapping reflects the dynamic nature of these northern waters, primarily serving as a record of the shoreline and bathymetric features like the Slime Bank which are critical to the region's historical fishing grounds.

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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 Unimak D-1 NW Map

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

Historical Maps of Aleutians East Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain