1953 Map of Eastern Isles Dernieres, 1986 Print
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1953 Map of Eastern Isles Dernieres

USGS Topo · Published 1986

About this map

The Isles Dernieres barrier islands stretch across this coastal survey, shielding the interior marshes of Terrebonne Parish from the Gulf of Mexico. Originally mapped in the early 1950s and updated with 1978 aerial photography, the map documents a fragile coastal landscape shaped by shifting tides and petroleum exploration. Significant industrial activity is evident in the Oil Field located in Lake Pelto, where a Radio Mast and Dolphins mark offshore infrastructure. The complex hydrology of the area is defined by numerous waterways including Wine Island Pass, Trinity Bayou, and Pass la Poule, which facilitate movement between the gulf and the sheltered waters of Terrebonne Bay. This record of the island chain's eastern reach provides a critical look at the geography of the Louisiana coast during a period of expanding energy development and environmental change.


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Map Details

Date Portrayed1953
Date Published1986
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.8 inches

Editions of this 1953 Eastern Isles Dernieres Map


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Source Details

CopyrightPublic Domain