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2023 Map of Thunder Bay Island, 2023 Print
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2023 Map of Thunder Bay Island

USGS Topo · Published 2023

About this map

Thunder Bay Island and its smaller neighbors lie amidst the waters of Lake Huron off the coast of Alpena County. This 2023 survey provides a modern topographic record of this isolated archipelago, which includes Sugar Island and Gull Island. The map shows these landmasses defined by the Public Land Survey System grids t31n r10e and t30n r10e, marking the transition from the lake into the designated sections of Alpena. The terrain here is dominated by low-lying wetland signatures and the rocky outlines of the island chain, serving as a critical navigation point and a remote natural landscape at the edge of Thunder Bay.

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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 Thunder Bay Island Map

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

Historical Maps of Alpena Township Through Time

84 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain