1975 Map of Grand Bayou, 1976 Print
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1975 Map of Grand Bayou

USGS Topo · Published 1976

About this map

The salt marshes and coastal ridges of Cameron Parish are captured in this 1975 orthophotograph, providing a detailed visual of the Louisiana shoreline before significant modern coastal erosion. This imagery highlights the intricate drainage patterns where Grand Bayou snakes through the wetlands, eventually connecting toward the eastern edge of Calcasieu Lake. The southern boundary is defined by the sweeping coastline of the Gulf of Mexico, separated from the inland marshes by a series of distinct parallel ridges. These linear landforms, characteristic of the chenier plain, show the complex geography of the region as it transitioned from open water to marshland over centuries. The map's photographic detail allows for the study of field patterns, oil and gas infrastructure, and early coastal access roads that were present during the mid-1970s.


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Map Details

Date Portrayed1975
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22.9 x 26.7 inches

Editions of this 1975 Grand Bayou Map

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


Historical Maps of Cameron Parish Through Time

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Source Details

CopyrightPublic Domain