
Southwest Pass serves as a critical maritime corridor in this coastal survey, where the Mississippi River meets the Gulf of Mexico. The area is defined by a complex industrial landscape of offshore energy extraction, characterized by extensive holdings in Block 27 and Block 83. These designated sectors within the larger Oil Field are dotted with numerous platforms and an Oil Well, illustrating the intensive petroleum activity occurring off the Louisiana coast at the close of the 20th century.
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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 · South Pass
USGS Topo · 1:31,680
1946 · Pass Du Bois
USGS Topo · 1:31,680
1946 · Mudpan Bayou
USGS Topo · 1:31,680
1947 · Southwest Pass
USGS Topo · 1:31,680
1949 · Burrwood
USGS Topo · 1:31,680
1952 · Southwest Pass
USGS Topo · 1:62,500
1953 · West Delta
USGS Topo · 1:62,500
1954 · Pass Du Bois
USGS Topo · 1:31,680