Gulf of Mexico waters dominate this marine-focused survey in Saint Bernard Parish. The expanse of Chandeleur Sound occupies the eastern portion of the sheet, representing a critical transitional environment along the Louisiana coast. This 2015 edition provides a contemporary record of these coastal waters, capturing the maritime boundaries where sound and gulf meet. Such charts are vital for understanding the shifting hydrology of the Mississippi Delta region, where open water and submerged features are subject to constant change.
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This is the sole edition of this map. No revisions or reprints were ever made.
1893 · Cat Island
USGS Topo · 1:62,500
1893 · Chandeleur
USGS Topo · 1:62,500
1951 · North Islands
USGS Topo · 1:24,000
1951 · New Harbor Islands
USGS Topo · 1:24,000
1951 · Freemason Island
USGS Topo · 1:24,000
1951 · Chandeleur Light
USGS Topo · 1:24,000
1953 · Mobile
USGS Topo · 1:250,000
1957 · Mobile
USGS Topo · 1:250,000
1957 · Breton Sound
USGS Topo · 1:250,000
1960 · Mobile
USGS Topo · 1:250,000