1959 Map of Nabesna A-6, 1975 Print
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1959 Map of Nabesna A-6

USGS Topo · Published 1975

About this map

Mt Jarvis dominates the southeastern terrain of this 1959 photogrammetric survey, overlooking a landscape defined by massive ice fields and glacial meltwater. The central valley is carved by the Copper Glacier, which feeds directly into the headwaters of the Copper River. This map captures the region before extensive environmental changes, showing the intricate network of crevasses and lateral moraines that characterized the ice flows during the mid-twentieth century. To the east, the Jacksina Glacier pushes through steep mountain passes, while the West Glacier and Tumble Creek mark the western and northern boundaries of this high-altitude wilderness. The U.S. Geological Survey utilized 1957 aerial photography to document these remote drainage patterns, providing a precise record of the ice margins as they existed decades ago.


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Map Details

Date Portrayed1959
Date Published1975
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions19.1 x 21.9 inches

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CopyrightPublic Domain