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2014 Map of Feldtmann Ridge

Name: 2014 Topographic Map of Feldtmann Ridge
Creator: U.S. Geological Survey
Published: 2014
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2014

About this map

Isle Royale National Park occupies this remote portion of the Lake Superior archipelago, defined by the parallel elevations of Feldtmann Ridge and Coyote Ridge. These dramatic geologic formations reflect the volcanic and glacial history of the island, creating a corridor of interior wilderness between the northern and southern coastlines. The interior landscape is marked by the presence of Lake Halloran and the winding course of the Big Siskiwit River, which drains toward the larger water body to the north.

Along the rugged southern shoreline of Isle Royale, the map details specific maritime features such as Attwood Beach and the submerged hazards of McCormick Reef. Further west, the land terminates at Long Point, a prominent coastal feature jutting into Lake Superior. This survey provides a precise modern record of the island's topographic character, showing the isolation and distinct environmental zones of the western end of the park.