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1957 Map of Yscloskey

Name: 1957 Topographic Map of Yscloskey
Creator: U.S. Geological Survey
Published: 1980
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1980

About this map

Shell Beach and Yscloskey anchor this coastal landscape where the wetlands of St. Bernard Parish meet the open waters of Lake Borgne. The map documents a critical transition in the Louisiana marsh, centering on the historical site of Old Fort Beauregard and the early settlements of Alluvial City and Hopedale. This era shows the intricate network of natural waterways, such as Grand Bayou and Bayou Batola, alongside man-made interventions like Jahnckes Ditch and the extensive La Loutre Spoil Bank.

The geography is defined by a maze of lagoons and bayous, including Pisana Lagoon and Magnolia Lagoon, illustrating the fluid boundary between land and water. The presence of Magnolia Mound provides a rare point of elevation in a landscape dominated by the Terre Aux Boeufs drainage system. Navigational aids like the Alligator Point Light and various Daybeacons highlight the region's dependence on waterborne transit and fishing during the mid-20th century.