1947 Map of Pass A Loutre East
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1947 Map of Pass A Loutre East

USGS Topo · Published 1947

About this map

Pass A Loutre and its branching distributaries dominate this coastal survey of the Mississippi River Delta's eastern edge. The landscape is a complex network of marsh and open water, where North Pass and Southeast Pass funnel river sediment into the Gulf of Mexico. A significant historical marker is the Pass A Loutre L.H. (Discontinued), located near the intersection of the main pass and Lighthouse Bayou. This lighthouse, no longer in service by the time of this survey, once guided mariners through the shifting shoals of the Middle Ground. The presence of features like North Mud Lumps and Thomasin Lumps illustrates the active geological processes at the river's mouth, while named waterways such as Tommy Dantz Bayou and Willie's Bayou suggest a human history tied to fishing and navigation in these wetlands.


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Map Details

Date Portrayed1947
Date Published1947
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions16.9 x 20.8 inches

Editions of this 1947 Pass A Loutre East Map

This is the sole edition of this map. No revisions or reprints were ever made.


Historical Maps of Plaquemines Parish Through Time

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Source Details

CopyrightPublic Domain