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1958 Map of Galloo Island

Name: 1958 Topographic Map of Galloo Island
Creator: U.S. Geological Survey
Published: 1976
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1976

About this map

Galloo Island rises from the eastern waters of Lake Ontario as a critical maritime waypoint in the town of Hounsfield. Based on planetable surveys from the late 1950s, this chart documents the island's navigational and defensive role through the presence of the Galloo Island Lighthouse at its southwestern tip and a Coast Guard Station at Gill Harbor. The shoreline is characterized by natural features like North Pond and the nearby Little Galloo Island to the southeast.

A sense of the treacherous nature of these waters is grounded by the notation of Wreckage off the western coast and the expansive Galloo Shoal to the south. The interior terrain is punctuated by a Lookout Tower, suggesting the island's importance for observation and safety during this era of Great Lakes navigation. This topographic record preserves the mid-century isolation and functional layout of these remote island outposts before modern automation.