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1948 Map of Manitou Island

Name: 1948 Topographic Map of Manitou Island
Creator: U.S. Geological Survey
Published: 1965
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1965

About this map

Manitou Island and the jagged eastern tip of the Keweenaw Peninsula dominate this mid-century maritime survey. Positioned in the waters of Lake Superior, the island features the Manitou Island L H (Radio Beacon) at its easternmost reach, serving as a critical navigational aid for Great Lakes shipping. Between the island and Keweenaw Point lies Gull Rock, a small outcropping marked by the Gull Rock Lighthouse.

The mainland portion of the map is defined by inland waters like Schlatter Lake and Gill Lake, which are connected to the shoreline at High Rock Bay. A single Telephone Line stretches across the rugged terrain and extends toward the island, indicating the essential communication link required for the lighthouse keepers of the era. The presence of numerous named coves, including Fishermans Bay and Keystone Bay, highlights the area's importance for local navigation and coastal activity before the automation of remote light stations.