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1955 Map of De Long Mountains B-1, 1971 Print
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1955 Map of De Long Mountains B-1

USGS Topo · Published 1971

About this map

The De Long Mountains of the North Slope are captured here during a mid-1950s survey that utilized photogrammetric methods from aerial photography. This high-altitude landscape is defined by the headwaters of the Kelly River, which winds through the eastern portion of the sheet, and its tributary Wrench Creek to the west. The topography is dominated by the massive Amphitheatre Mountain, a prominent landmark that characterizes the southern portion of the range in this quadrangle. These surveys by the U.S. Army Topographic Command were critical for documenting the interior geography of northern Alaska before widespread development. The lack of roads or established trails highlights the isolation of this Arctic terrain, where drainage patterns and mountain peaks served as the primary navigational markers for travelers and surveyors alike.

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Map Details

Date Portrayed1955
Date Published1971
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18.1 x 20.9 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain