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1958 Map of Tyonek B-6, 1961 Print
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1958 Map of Tyonek B-6

USGS Topo · Published 1961

About this map

Mount Spurr dominates this remote Alaskan landscape, anchoring a massive glacial network in the late 1950s. The survey reveals a dynamic frozen environment where the Triumvirate Glacier and Capps Glacier carve through the high terrain, marked by extensive crevasses that signify active movement. To the southeast, Crater Peak stands as a significant volcanic feature, with the map explicitly noting deposits of Volcanic Ash nearby, indicating recent geological activity. The presence of Strandline Lake at the edge of the ice field provides a clear point of reference for the shifting boundaries between ice, water, and rock. Unlike more settled regions, this map serves as a study in pure wilderness and the raw forces of glaciation and volcanism, recording the precise state of the Dogshead Glacier before later decades of environmental change.

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Map Details

Date Portrayed1958
Date Published1961
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions17 x 20.8 inches

Editions of this 1958 Tyonek B-6 Map

Historical Maps of Matanuska-Susitna Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain