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1959 Map of Tyonek A-6, 1985 Print
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1959 Map of Tyonek A-6

USGS Topo · Published 1985

About this map

The Neacola Mountains dominate this region of the Kenai Peninsula, where high alpine glaciers feed complex glacial river systems. The northern portion of the map is defined by the Chakachatna River as it flows east from the shadow of the Kidazgeni Glacier. To the south, the massive Blockade Glacier provides the source for the braided channels of the McArthur River, which winds through broad marshy lowlands toward the coast. Survey markers like VABM 2351 McArthur and VABM 3213 Chaka indicate the high-altitude triangulation points used by the Geological Survey during the mid-century mapping effort. The landscape illustrates the raw transition from high-altitude ice fields to the swampy, tide-influenced flats near the Kustatan R, showing an Alaskan wilderness before significant modern infrastructure reached these remote drainage basins.

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Map Details

Date Portrayed1959
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.7 inches

Editions of this 1959 Tyonek A-6 Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Kenai Peninsula Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain