
Lake Penchant dominates this 1935 survey of the Terrebonne Parish wetlands, revealing a complex network of natural waterways and early 20th-century drainage efforts. This landscape, as mapped by Glenn S. Smith and his team using aerial photography from the U.S. Army Air Corps, shows the transition between tidal marshes and inland bayous. The presence of the Brady Canal, Billiot Canal, and Peoples Canal indicates significant human modification of the hydrologic system to facilitate navigation or resource extraction during the mid-Depression era.
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This is the sole edition of this map. No revisions or reprints were ever made.
1892 · Gibson
USGS Topo · 1:62,500
1894 · Bayou De Large
USGS Topo · 1:62,500
1897 · Gibson
USGS Topo · 1:62,500
1932 · Lake Decade
USGS Topo · 1:62,500
1935 · Theriot
USGS Topo · 1:31,680
1935 · Morgan City
USGS Topo · 1:62,500
1935 · Lake Mechant
USGS Topo · 1:31,680
1939 · Gibson
USGS Topo · 1:62,500
1940 · Bayou Du Large
USGS Topo · 1:62,500
1941 · Bayou Du Large
USGS Topo · 1:62,500