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2017 Map of Tyonek B-5 NW, 2017 Print
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2017 Map of Tyonek B-5 NW

USGS Topo · Published 2017

About this map

Triumvirate Glacier dominates the central landscape of this wilderness region, marking the slow geological transition of the Alaskan sub-arctic. This 2017 survey documents the precise boundary line between the Matanuska-Susitna Borough and the Kenai Peninsula Borough, which bisects the quadrangle horizontally. The ice field's edge sits adjacent to Strandline Lake, a significant water body formed by the glacial margins in the northwestern sector. Further north, the headwaters of W Fork Coal Cr drain the high country, illustrating the hydraulic patterns of the Cook Inlet watershed. This map provides a technical baseline for tracking glacial retreat and drainage shifts in an area defined by its massive ice features and topographical relief.

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Map Details

Date Portrayed2017
Date Published2017
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2017 Tyonek B-5 NW Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain