1959 Map of McCarthy D-7, 1966 Print
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1959 Map of McCarthy D-7

USGS Topo · Published 1966

About this map

Nabesna Glacier dominates this high-altitude landscape, its massive icy reach marked by numerous crevasses that indicate the slow, steady movement of the terrain. Surveyed in the late 1950s using photogrammetric methods from aerial photographs, the map reflects a purely glaciated environment where the only human-imposed structure is the cartographic Base Line. This area of Alaska remains a study in raw geological power, showing the intricate contouring of ice and high peaks. The 1957 aerial imagery used for this map captures the glacier before more modern shifts in ice movement, providing a specific scientific baseline for researchers studying the historical extent of the ice field and the orientation of the surrounding terrain during the mid-twentieth century.


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Map Details

Date Portrayed1959
Date Published1966
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions17 x 21 inches

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Source Details

CopyrightPublic Domain