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1985 Map of Todd Harbor, 1986 Print
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1985 Map of Todd Harbor

USGS Topo · Published 1986

About this map

The northern reaches of Isle Royale are defined by the parallel elevations of Minong Ridge and Greenstone Ridge, which create the long, linear troughs for inland water bodies like Harvey Lake and Hatchet Lake. Along the Lake Superior coast, the jagged shoreline of Todd Harbor is protected by a series of rocky outcroppings, including Wilson Island and Taylor Island.

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Map Details

Date Portrayed1985
Date Published1986
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.1 x 27.1 inches

Editions of this 1985 Todd Harbor Map

Historical Maps of Houghton Township Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain