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2018 Map of Coleen A-1 SW, 2018 Print
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2018 Map of Coleen A-1 SW

USGS Topo · Published 2018

About this map

Salmon Trout River meanders across the northern reaches of this remote Alaskan interior, carving a distinct valley floor that contrasts with the surrounding high-elevation ridgelines. As a part of the U.S. Geological Survey 2018 US Topo series, the sheet documents the complex topography of the Yukon-Koyukuk Census Area with 40-foot contour intervals. The landscape is defined by its dramatic relief and the absence of human infrastructure, focusing instead on the hydrological patterns and township and range boundaries like t26n r29e and t27n r28e that divide the wilderness. This modern survey provides researchers a precise look at the drainage patterns and land-division grids in a region where the natural water systems remain the primary geographic landmarks.

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Map Details

Date Portrayed2018
Date Published2018
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2018 Coleen A-1 SW 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