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1956 Map of Tanacross C-4, 1976 Print
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1956 Map of Tanacross C-4

USGS Topo · Published 1976

About this map

West Fork Dennison Fork dominates the hydrology of this interior Alaskan wilderness, as mapped during the mid-1950s by the Geological Survey and Bureau of Land Management. The terrain is characterized by a complex network of unnamed ridges and drainages within the Tanacross C-4 quadrangle, showing the primitive state of the land before any established roads or trails were documented. This specific survey was compiled using photogrammetric methods from aerial photography taken in 1954 and 1955, providing a precise record of the natural swamp and river patterns. Because the region remains largely devoid of permanent human settlements or structures on this sheet, the primary value for researchers lies in the intricate contouring and the natural course of the West Fork Dennison Fork as it winds through the Copper River Meridian.

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Map Details

Date Portrayed1956
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.8 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain