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2020 Map of Lena Lagoon

Name: 2020 Topographic Map of Lena Lagoon
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Lena Lagoon and the surrounding marshlands of Saint Bernard Parish define this coastal landscape where the waters of Lake Borgne meet an intricate network of natural and man-made waterways. The presence of the massive Mississippi River-Gulf Outlet Canal cutting through the terrain illustrates the 20th-century industrial modifications to the Louisiana delta, contrasted by ancient meandering routes like Bayou la Loutre and Bayou Saint Malo.

For researchers and genealogists, the map preserves the names of specific coastal landmarks such as Bayou Alphonse, Bayou Muscelini, and Magnolia Lagoon. The area’s hydrology is further detailed by drainage features like Jahnckes Ditch and the commercial infrastructure of Engineers Canal and Bakers Canal. These tidal basins, including Little Halfmoon Bay and Bernard Lagoon, reflect the precarious and shifting interface between land and sea in the deep delta.