The deltaic landscape of Plaquemines Parish is defined here by the critical maritime corridor of Southwest Pass, a major distributary channel reaching toward the Gulf of Mexico. This coastal survey documents the fragile interface between the Mississippi River's sediment-rich waters and the open sea, where narrow ribbons of land separate the main channel from expansive tidal areas like West Bay and Mud Bay. Small, winding waterways such as Stake Island Bayou and Burrwood Bayou cut through the marshy fringes, illustrating the constantly shifting geography of the river's mouth. The lack of roads or permanent structures underscores the extreme isolation of this environment, where the primary human presence is tied to the navigation and maintenance of one of the world's most significant shipping lanes.
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This is the sole edition of this map. No revisions or reprints were ever made.
1893 · West Delta
USGS Topo · 1:62,500
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
1954 · Southwest Pass
USGS Topo · 1:31,680
1954 · Mudpan Bayou
USGS Topo · 1:31,680