1967 Map of Martello Castle, 1969 Print
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1967 Map of Martello Castle

USGS Topo · Published 1969

About this map

Martello Castle stands as a coastal landmark on this late 1960s survey of the marshy wetlands where Orleans and St. Bernard Parishes meet. The landscape is defined by the massive industrial footprint of the Mississippi River - Gulf Outlet Canal, which cuts a straight, deep path through the winding natural hydrology of Grand Bayou and Mercier Bayou. Extensive Spoil Areas flank the canal, illustrating the immense scale of dredging required to maintain this shipping artery connecting Lake Borgne to the interior.


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Map Details

Date Portrayed1967
Date Published1969
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.9 x 27 inches

Editions of this 1967 Martello Castle Map


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Source Details

CopyrightPublic Domain