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1953 Map of Grand Bayou Du Large

Name: 1953 Topographic Map of Grand Bayou Du Large
Creator: U.S. Geological Survey
Published: 1959
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1959

About this map

The coastal marshlands of Terrebonne Parish are defined here by an intricate web of waterways and tidal lakes just before the mid-century intensification of offshore industry. Large water bodies like King Lake and Caillou Lake dominate the upper reaches, while the major arteries of Grand Bayou Du Large and Grand Bayou Caillou provide passage toward the open waters of Caillou Bay.

A scattering of human activity is evident through specific landmarks like St Martin and a marked Light, suggesting the navigational importance of these channels. The landscape is a complex mosaic of marsh and bayou, with smaller features like Jack Stout Bay and Taylor Bayou branching off the main courses. An early Oil Well signifies the beginning of resource extraction in this amphibious environment, where no roads or trails existed, leaving water travel as the only means of movement through the wetlands.