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1971 Map of Philip Smith Mountains A-4, 1973 Print
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1971 Map of Philip Smith Mountains A-4

USGS Topo · Published 1973

About this map

The Continental Divide winds across this high-altitude landscape of the Brooks Range, marking the fundamental hydraulic boundary of the Arctic North Slope. This 1971 survey details the upper reaches of the North Fork Chandalar River, which flows southward through a network of steep-sided valleys and glacial-carved drainages. The area is defined by its topographic severity and the total absence of established infrastructure, roads, or permanent settlements during the early 1970s.

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Map Details

Date Portrayed1971
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18.1 x 21.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain