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1956 Map of Philip Smith Mountains, 1959 Print
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1956 Map of Philip Smith Mountains

USGS Topo · Published 1959

About this map

The Brooks Range dominates this mid-century survey, specifically focusing on the intersection of the Endicott Mountains and the namesake Philip Smith Mountains. This interior Alaskan landscape is defined by its complex drainage networks, where the Sagavanirktok River and Ivishak River flow northward toward the Arctic coastal plain, while the Middle Fork Chandalar River and North Fork Chandalar River drain southward into the Yukon River basin. The map illustrates a wilderness before modern infrastructure, marked instead by prominent landmarks like Imnavait Mountain and several high-altitude lakes, including Galbraith Lake and Itkillik Lake. Significant surveying stations, recorded as VABM points such as VABM 2171 Jud, indicate the scientific efforts to chart this territory via photogrammetric methods in the 1950s. The absence of roads or established settlements emphasizes the remote character of the central Brooks Range during this period of geological exploration.

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Map Details

Date Portrayed1956
Date Published1959
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:250,000
Physical Dimensions23 x 22.9 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain