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2018 Map of Black River A-1 NW, 2018 Print
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2018 Map of Black River A-1 NW

USGS Topo · Published 2018

About this map

Grayling Fork Black River dominates the central landscape of this wilderness area in the Alaska interior. The river winds through a broad, low valley floor, flanked by rising upland terrain that defines the drainage basin. This 2018 survey reveals the intricate hydrography of the fork as it meanders across the southern half of the quadrangle, creating complex patterns in the low-lying wetlands. The surrounding land is partitioned by several townships, including t16n r30e and t17n r30e, though the map is devoid of named human settlements or infrastructure. The elevation contours highlight a significant ridge system in the north and east, providing a clear picture of the natural topography that governs the flow of the Black River watershed.

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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 A-1 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