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1958 Map of Tyonek D-7, 1976 Print
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1958 Map of Tyonek D-7

USGS Topo · Published 1976

About this map

The Skwentna River and the massive Hayes Glacier dominate this interior landscape, illustrating the transition from ice-carved alpine heights to the broad river valleys of the Matanuska-Susitna region. Recorded through photogrammetric methods in the late 1950s, the terrain shows a clear logistical corridor marked by the Old Winter Trail, which winds past Shirley Lake and various Cabins. These features suggest a seasonal pattern of movement through the territory, where the frozen river and established trails provided the primary means of traversal. Local geography is further defined by Alger Peak and the branching waters of Portage Creek and Chickak River. The southern portion of the map is particularly focused on the glaciated high country, where numerous crevasses are identified across the ice fields feeding into Old Man Creek and Spring Creek.

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Map Details

Date Portrayed1958
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18.1 x 21.9 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain