2025 Map of South of Belle Isle, 2025 Print
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2025 Map of South of Belle Isle

USGS Topo · Published 2025

About this map

Gulf of America waters dominate this coastal portion of Saint Mary Parish, where the complex aquatic environment of the Louisiana shoreline is defined by shifting channels and open sea. The map documents the passage at New Pass, a critical break in the marshy coastal shelf that allows for the movement of water and sediment. Further south, the submerged geography is marked by Ann Channel, providing a specific coordinate for maritime navigation and coastal research in an area where the land is constantly reshaped by the tide. This 2025 survey serves as a contemporary record of these specific hydrological features before further natural or human-induced changes alter the delicate coastal boundary.


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Map Details

Date Portrayed2025
Date Published2025
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2025 South of Belle Isle Map

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


Historical Maps of St. Mary Parish Through Time

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Source Details

CopyrightPublic Domain