
Timbalier Bay and the surrounding marshlands of Terrebonne Parish are captured here during a period of transition for the Louisiana coast. This 1930s-era field study, compiled from Air Corps aerial photography, highlights the complex aquatic geography of the region before significant coastal erosion altered the landscape. An active Oil Field is noted near Lake Barre, signifying the early industrial footprint in these wetlands. The map traces intricate waterways like Bayou De La Valle and Fornathan Bayou as they thread through Old Lady Lake and Jacko Bay. Small landforms such as Cat I and the Pelican Islands appear as critical markers in the expansive waters, while various surveying points like Lier and Cook suggest the presence of local maritime or industrial camps.
31 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.
1894 · Timbalier
USGS Topo · 1:62,500
1894 · Lake Felicity
USGS Topo · 1:62,500
1894 · Dulac
USGS Topo · 1:62,500
1935 · Bourbeux
USGS Topo · 1:31,680
1935 · Timbalier Island
USGS Topo · 1:31,680
1935 · Bay Courant
USGS Topo · 1:31,680
1935 · Pelican Pass
USGS Topo · 1:31,680
1935 · Calumet Island
USGS Topo · 1:31,680
1939 · Lake Felicity
USGS Topo · 1:62,500
1941 · Lake Felicity
USGS Topo · 1:62,500