
Gulf of America waters dominate this maritime survey at the furthest reaches of the Mississippi River delta. The map focuses on the transitional aquatic environment where the river finally meets the sea, specifically highlighting the outlet of South Pass. Because this is an area of shifting sediment and dynamic coastal change, the absence of land features and contours reflects a landscape defined more by hydrography than by terrestrial settlements. The South Pass label marks one of the primary navigational arteries for shipping entering the river system from the open gulf, illustrating the critical geographic point where Louisiana's wetlands dissolve into the maritime expanse.
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This is the sole edition of this map. No revisions or reprints were ever made.
1893 · East Delta
USGS Topo · 1:62,500
1893 · West Delta
USGS Topo · 1:62,500
1935 · Garden Island Pass
USGS Topo · 1:31,680
1935 · South Pass
USGS Topo · 1:31,680
1946 · Mudpan Bayou
USGS Topo · 1:31,680
1947 · Garden Island Pass
USGS Topo · 1:31,680
1947 · Southwest Pass
USGS Topo · 1:31,680
1952 · Southwest Pass
USGS Topo · 1:62,500
1953 · West Delta
USGS Topo · 1:62,500
1954 · Southwest Pass
USGS Topo · 1:31,680