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1952 Map of Seward D-6

Name: 1952 Topographic Map of Seward D-6
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

Turnagain Arm dominates the landscape in this early 1950s survey, where the glacial waters meet the steep slopes of the Chugach National Forest. The map documents a critical transportation corridor along the northern shore, featuring the route of The Alaska Railroad and the Seward Anchorage Highway as they navigate the narrow strip between the mountains and the mudflats. Small outposts and resource-based sites like Kern and the Twentymile Sawmill (ABAND) speak to the era's industrial footprint.

Further inland, the topography rises sharply toward peaks like Alyeska Mountain and Blueberry Hill. The drainage patterns of the Twentymile River and Placer River illustrate a complex network of glacial valleys and braided streams. Genealogists and local historians can find specific points of interest such as the Lower Engineers Camp, a lone Grave near Portage, and the settlement of Girdwood before its later development as a major recreation hub.