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1971 Map of Philip Smith Mountains A-2, 1974 Print
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1971 Map of Philip Smith Mountains A-2

USGS Topo · Published 1974

About this map

The Middle Fork Chandalar River cuts a prominent path through the high-elevation terrain of the South Boundary Umiat Meridian in this early 1970s survey. This specific sheet was produced as an advance proof and remains nearly devoid of human infrastructure, focusing instead on the complex topography and hydrology of the North Slope. The river valley acts as the primary geographic corridor, winding through steep contour lines that illustrate the elevation changes in the Middle Fork Chandalar River system before more extensive modern mapping was completed. It represents a specific moment in Alaska's surveying history, captured through 1970 aerial photography and preliminary field annotations, highlighting a landscape defined entirely by its natural waterways and land-line divisions.

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Map Details

Date Portrayed1971
Date Published1974
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18.06 x 20.68 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain