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2018 Map of Black River C-6 SW, 2018 Print
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2018 Map of Black River C-6 SW

USGS Topo · Published 2018

About this map

Grass River meanders across the southern reach of this Yukon-Koyukuk interior landscape, defining a wetland environment characterized by a dense network of seasonal pools and stagnant water bodies. The terrain is marked by significant lacustrine features such as Ohtig Lake and Jokoei Lake, which anchor the northern and central portions of the quadrangle. This 2018 survey reveals an undeveloped wilderness where the natural hydrology of the Grass River basin remains the primary structural element. The lack of roads or permanent structures reflects the seasonal and shifting nature of these wetlands within the Township 20 North, Range 18 East and surrounding survey grids, providing a baseline for environmental study and traditional land use in this part of Alaska.

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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 Black River C-6 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