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2023 Map of Passage Island, 2023 Print
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2023 Map of Passage Island

USGS Topo · Published 2023

About this map

Passage Island stands as a solitary landform within the vast expanse of Lake Superior, serving as a critical navigation point northeast of the main archipelago. This modern survey illustrates the island's dual status as part of both the Isle Royale National Park and the protected Isle Royale Wilderness. The landscape is defined by its isolation, with the Passage Island Trail providing the only mapped route across its narrow, elongated terrain. The map captures the nautical environment of Keweenaw County, showing the proximity of the island to the deep waters of the lake and its position within the maritime boundaries of Michigan. The cartography emphasizes the intersection of federal conservation and the natural geography of the Great Lakes.

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Map Details

Date Portrayed2023
Date Published2023
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2023 Passage Island 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