Japan Island stands as a small landform at the southwestern edge of this coastal survey, appearing amidst the expanse of the Gulf of Mexico. Located in Plaquemines Parish, Louisiana, the map illustrates a landscape defined primarily by open water and maritime boundaries. The diagonal parish line marks the jurisdictional reach of the mainland into these coastal waters. This specific geographic profile highlights the fragility of Louisiana's outer marshlands and islands, where small features like Japan Island provide critical points of reference for navigation and local history in a region increasingly dominated by the sea.
5 named features on this map. Tap any name to fly to it.
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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
1947 · Pass A Loutre West
USGS Topo · 1:31,680
1947 · Main Pass
USGS Topo · 1:31,680
1947 · Pass A Loutre East
USGS Topo · 1:31,680
1950 · Breton Islands
USGS Topo · 1:24,000
1953 · Breton Island
USGS Topo · 1:62,500
1954 · Pass A Loutre East
USGS Topo · 1:31,680
1954 · Pass A Loutre West
USGS Topo · 1:31,680
1954 · East Delta
USGS Topo · 1:62,500
1957 · Breton Sound
USGS Topo · 1:250,000