Avoca Island and the complex wetlands south of Morgan City define this landscape where the boundaries of St. Mary Parish and Terrebonne Parish meet. This 2018 survey documents a hydrologically intricate environment dominated by the Intracoastal Waterway and a network of historic bayous. The map reveals the managed water systems of the Louisiana coast, showing the modern path of the Burke Canal alongside natural drainage features like Bayou Black and Bayou Chene.
15 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
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 · Morgan City
USGS Topo · 1:62,500
1935 · Lake Penchant
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
1941 · Gibson
USGS Topo · 1:62,500