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1985 Map of Grand Portage
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1985 Map of Grand Portage

USGS Topo · Published 1985

About this map

Lake Superior dominates this mid-1980s survey, illustrating the maritime and wilderness character of the international border region between Minnesota, Michigan, and Canada. The map highlights the rugged topography of Isle Royale National Park, where the parallel elevations of Greenstone Ridge and Minong Ridge define the island's interior. On the Minnesota mainland, the Grand Portage Indian Reservation and Grand Portage State Forest protect the shoreline near Hovland and the historic transition at Pigeon Point.

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Map Details

Date Portrayed1985
Date Published1985
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:100,000
Physical Dimensions21.53 x 27.23 inches

Editions of this 1985 Grand Portage Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain