
Peaks Island and Great Diamond Island define the central character of this Casco Bay survey, revealing a landscape transitioning from historical military defense to residential communities. The coastal infrastructure is dense with institutional history, from the Fort McKinley on Great Diamond to the Maine School for the Deaf on Mackworth Island. The mainland settlements of Falmouth Foreside and South Portland show significant development, supported by established landmarks like the Maine Voc Tech Institute and Fort Preble.
204 named features on this map. Tap any name to fly to it.
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5 editions found
1891 · Portland
USGS Topo · 1:62,500
1892 · Freeport
USGS Topo · 1:62,500
1893 · Portland
USGS Topo · 1:62,500
1893 · Casco Bay
USGS Topo · 1:62,500
1894 · Gray
USGS Topo · 1:62,500
1898 · Gray
USGS Topo · 1:62,500
1914 · Portland
USGS Topo · 1:48,000
1914 · Casco Bay
USGS Topo · 1:48,000
1916 · Portland
USGS Topo · 1:62,500
1916 · Casco Bay
USGS Topo · 1:62,500