Lake Pontchartrain dominates this 2015 survey, covering nearly the entire quadrangle area where the borders of several Louisiana parishes converge in open water. The map serves as a modern record of the intersection between St. John the Baptist Parish, Jefferson Parish, Tangipahoa Parish, and St. Tammany Parish.
6 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.
1891 · Spanish Fort
USGS Topo · 1:62,500
1892 · Bonnet Carre
USGS Topo · 1:62,500
1935 · Covington
USGS Topo · 1:62,500
1935 · Ponchatoula
USGS Topo · 1:62,500
1936 · Bonnet Carre
USGS Topo · 1:62,500
1936 · Spanish Fort
USGS Topo · 1:62,500
1938 · Spanish Fort
USGS Topo · 1:31,680
1938 · La Branche
USGS Topo · 1:31,680
1938 · Indian Beach
USGS Topo · 1:31,680
1939 · Ponchatoula
USGS Topo · 1:62,500