1965 Map of Spanish Fort NE, 1973 Print
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1965 Map of Spanish Fort NE

USGS Topo · Published 1973

About this map

Lake Pontchartrain dominates this mid-1960s survey, illustrating the maritime expanse where the boundaries of several Louisiana parishes converge. The most prominent structural feature is the Lake Pontchartrain Causeway (Toll), which cuts a nearly straight north-south line across the open water. This engineering feat facilitated regional connectivity between the north and south shores during a period of significant growth. The map also delineates the Indefinite Boundary shared by St Tammany Parish, Jefferson Parish, and Orleans Parish, reflecting the complex jurisdictional geography of the lake. Mariners of the era would have noted the designated Small Craft Passage along the causeway, providing essential transit points for smaller vessels navigating these large coastal waters.


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Map Details

Date Portrayed1965
Date Published1973
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 26.8 inches

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CopyrightPublic Domain