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1985 Map of Lookout Ridge B-4
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1985 Map of Lookout Ridge B-4

USGS Topo · Published 1985

About this map

The National Petroleum Reserve in Alaska dominates this 1985 survey, providing a detailed look at the North Slope's remote interior hydrology and surveying markers. The landscape is defined by the winding course of the Kaksu River in the northwest and Liti Creek further south. This map captures a specific moment in the management of these public lands, showing the intersection of natural drainage systems with the rigid administrative grid of the Base Line and various township boundaries. Scattered across this vast expanse are isolated points of interest such as John, Let, and Dam, which likely served as remote monitoring or survey markers. A lonely Tractor Trail provides the only evidence of overland transportation, reflecting the logistical challenges of surveying and exploring this region before modern infrastructure was established.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.7 inches

Editions of this 1985 Lookout Ridge B-4 Map

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

Historical Maps of North Slope Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain