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1964 Map of Bayou Du Large

Name: 1964 Topographic Map of Bayou Du Large
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

Bayou du Large serves as the primary artery for settlement in this coastal marshland, where the community of Theriot and several parish institutions congregate along the natural levee. The cultural landscape is defined by its churches, including Immaculate Conception Ch, St Andrews Ch, and Bayou du Large Ch, alongside the Lower Bayou du Large Sch. This mid-century survey captures the region during a period of significant industrial expansion, evidenced by the Penchant Oil Field and the South Sunrise Oil and Gas Field.

Intricate waterways like Falgout Canal—noted as under construction in certain reaches—and Marmande Canal slice through the wetlands, connecting expansive bodies of water such as Lake De Cade and Lake Theriot. The inclusion of an Indian Mound near Marmande Ridge provides a rare link to the area's ancient geography, while numerous drill holes and canals illustrate the 20th-century economic reliance on resource extraction from the bayou.