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1936 Map of South Point

Name: 1936 Topographic Map of South Point
Creator: U.S. Geological Survey
Published: 1936
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1936

About this map

Lake Pontchartrain dominates this mid-1930s coastal survey, illustrating the watery boundary between St Tammany Parish and Orleans Parish. The landscape is largely defined by the shoreline of the lake and the marshy reaches of Irish Lagoon, where the land meets the water at precise points like Pt Platte and Pt au Chien. This edition is particularly notable for incorporating early aerial photography compiled by the Army Air Corps to map the intricate drainage and shoreline features that were difficult to survey from the ground.

Transportation through this delta environment is anchored by the Southern railroad line, which cuts across the southeastern corner of the sheet at South Point. This corridor represents a vital infrastructure link for New Orleans during this era, providing a fixed path through the shifting wetlands and coastal inlets. The map serves as a record of the parish line's orientation across the open water, a detail of particular importance for maritime and jurisdictional history in the region.