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2018 Map of Iliamna D-4 SE, 2018 Print
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2018 Map of Iliamna D-4 SE

USGS Topo · Published 2018

About this map

Iliamna Lake dominates the southern portion of this landscape, its shoreline deeply indented by Knutson Bay and Pedro Bay. This interior Alaskan region is defined by sharp topographic shifts where Knutson Mtn and Pedro Mtn rise abruptly from the water's edge. The small infrastructure footprint of the early 21st century is concentrated around the Pedro Bay Airport, connected by the short stretch of Airport Road near the mouth of Knutson Cr. Several islands, including Porcupine Island, Grassy Island, and Flat Island, are scattered across the lake, marking shoals and navigational points. The terrain transitions into the Knutson Valley, showing how glacial and fluvial processes like those of Canyon Cr have carved the high country in this Lake and Peninsula Borough territory.

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Map Details

Date Portrayed2018
Date Published2018
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:25,000
Physical Dimensions24 x 29 inches

Editions of this 2018 Iliamna D-4 SE Map

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

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain