Breton National Wildlife Refuge and the surrounding coastal waters of Saint Bernard Parish define this maritime environment. The survey focuses on the shifting edge of the barrier island chain, where Hewes Point marks a critical landform within the protected Breton Wilderness. This area, situated between the open Gulf of Mexico and the more sheltered Chandeleur Sound, is a landscape defined entirely by shoreline dynamics and ecological preservation. The lack of terrestrial infrastructure emphasizes the region's role as a sanctuary, far removed from the developed Louisiana mainland.
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1893 · Cat Island
USGS Topo · 1:62,500
1893 · Chandeleur
USGS Topo · 1:62,500
1950 · Dog Keys Pass
USGS Topo · 1:24,000
1950 · Ship Island
USGS Topo · 1:24,000
1951 · North Islands
USGS Topo · 1:24,000
1951 · Cat 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