2015 Map of Ophir C-3 NW, 2015 Print
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2015 Map of Ophir C-3 NW

USGS Topo · Published 2015

About this map

The Innoko River dominates the southern half of this landscape, its complex meanders and oxbow lakes creating a shifting aqueous environment within the Yukon-Koyukuk region. To the north, the terrain rises into the Wapoo Hills, where the drainage patterns transition from the wide, winding river valley to more distinct tributary streams. This area is defined by its remote hydrological network, featuring several named waterways including Wapoo Cr and Last Chance Cr in the northeast, and the long course of Tom Cr and Crescent Cr through the central lowlands. The lack of modern road infrastructure underscores the importance of these waterways for navigation and orientation in the Alaskan interior.


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Map Details

Date Portrayed2015
Date Published2015
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2015 Ophir C-3 NW Map

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


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CopyrightPublic Domain