Preliminary chart of Eagle River, Lake Superior. Relief shown by hachures. Depths shown by soundings and isolines. Includes: Sailing directions -- Note. Seal with "Survey of the lakes 1859" at head of Eagle River, Lake Superior. Eagle River, Lake Superior, Michigan , Keweenaw ,county , Eagle River
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Photo credit: © LM/BT / Alamy / Afripics
License: Licensed
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