
Pecan Island emerges as a linear settlement defined by the unique chenier geology of coastal Louisiana, where habitation is confined to narrow ridges rising above the surrounding wetlands. This environment has dictated a distinct east-west development pattern along Sweet Bay Ridge, Cane Ridge, and Lambert Ridge, with the local population clustered near the Pecan Island Catholic Cem and Pecan Island Community Cem. The map reveals a landscape caught between the vast expanse of White Lake and the intricate marsh systems, where transportation relies on a mix of modern roads like La HWY 3147 and historical waterways such as the Gung Pirogue Trail. The reliance on these ridges—including Back Ridge, Coupe Ridge, and Kochs Ridge—illustrates the traditional South Louisiana strategy of utilizing elevated shell and sand embankments for both residence and infrastructure within the coastal prairie and marsh.
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This is the sole edition of this map. No revisions or reprints were ever made.
1932 · Constance Bayou NE
USGS Topo · 1:31,680
1932 · Pecan Island SE
USGS Topo · 1:31,680
1932 · Pecan Island SW
USGS Topo · 1:31,680
1932 · Constance Bayou SE
USGS Topo · 1:31,680
1945 · Pecan Island NW
USGS Topo · 1:31,680
1945 · Pecan Island NE
USGS Topo · 1:31,680
1946 · Schooner Bayou SE
USGS Topo · 1:31,680
1946 · Schooner Bayou SW
USGS Topo · 1:31,680
1951 · Pecan Island
USGS Topo · 1:62,500
1953 · Jacks Point Island
USGS Topo · 1:24,000