Black Bay

1983

1:100k

Black Bay

1983

1:100k

Louisiana

1902

U.S. Geological Survey

1:63k

Parts of Lake Borgne and Mississippi Sound

1904

C&GS

1:80k

Grand Island Pass to New Orleans

1949

1:40k

Grand Island Pass to New Orleans

1967

C&GS

1:40k

Grand Island Pass to New Orleans

1966

C&GS

1:40k

Navigation Chart of Lakes Bourgne and Pontchartrain

1900

C&GS

1:80k

Sketch of the Chandeleur and the Isle Au Brelon Sound From A General Reconnaissance of May and June 1852

1852

Unknown

1:128k

Yscloskey

1969

1:63k