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1916 Map of Casco Bay, 1930 Print
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1916 Map of Casco Bay

USGS Topo · Published 1930

About this map

Casco Bay defines this coastal landscape, where the early 20th-century maritime economy is etched into the shoreline through complex steamboat routes and military fortifications. The strategic importance of the harbor entrance is visible in the cluster of defensive sites including Fort Williams, Fort Preble, and Fort Scammel. Further out, Halfway Rock Light and the Cape Elizabeth Lightship manage the approaches to the Fore River.

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Map Details

Date Portrayed1916
Date Published1930
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:62,500
Physical Dimensions15.5 x 20.3 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