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1964 Map of Bayou Du Large

Name: 1964 Topographic Map of Bayou Du Large
Creator: U.S. Geological Survey
Published: 1965
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1965

About this map

Bayou Du Large snakes through this expansive marshland in the mid-1960s, anchoring a community defined by its proximity to the Gulf. The settlement of Theriot serves as the local hub along the Marmande Ridge, where the landscape transitions from solid ground to an intricate network of waterways like Lake De Cade and Lake Theriot. The map reveals the deep-rooted cultural fabric of the parish through landmarks such as Bayou du Large Ch, Immaculate Conception Ch, and the Lower Bayou du Large Sch.

Resource extraction and ancient history meet here, evidenced by the Lake Hatch Oil and Gas Field and a significant Indian Mound near the eastern margin. The hydraulic complexity of the region is striking, with the Falgout Canal and Brady Canal cutting through the wetlands to connect larger bodies of water like Lake Mechant and Caillou Lake. This survey provides a clear view of the Louisiana coastline before significant late-century land loss altered the shorelines of Hog Point and Mud Lake.