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1916 Map of Casco Bay, 1936 Print
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1916 Map of Casco Bay

USGS Topo · Published 1936

About this map

Fort Williams and Fort Levett stand as prominent coastal defenses along the approaches to Portland harbor in this early twentieth-century survey. The landscape is defined by its deep maritime heritage, from the bustling waterfront at South Portland to the steamer routes that connected these islands to the mainland, such as the Boston and New York Steamboat Route. On Great Diamond Island, Fort McKinley anchors the northern defense, while residential clusters like Mariner on Long Island and Trefethen Landing on Peak Island show the seasonal and year-round communities of the bay.

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Map Details

Date Portrayed1916
Date Published1936
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.4 x 19.7 inches

Editions of this 1916 Casco Bay Map

Historical Maps of Portland Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain