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1916 Map of Casco Bay
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1916 Map of Casco Bay

USGS Topo · Published 1916

About this map

Coastal defenses and maritime infrastructure define this 1916 survey of the Maine coastline. At the height of the coastal artillery era, the region is heavily fortified with installations such as Fort McKinley on Great Diamond Island, Fort Williams near the Portland Head light, and Fort Preble guarding the entrance to the inner harbor. These military outposts are interspersed with numerous civilian steamer landings, including Waites Landing and Trefethen Landing, illustrating the vital role of waterborne transport before modern road networks dominated.

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Map Details

Date Portrayed1916
Date Published1916
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions16.5 x 19.9 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