1968 Map of Covington SW, 1977 Print
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1968 Map of Covington SW

USGS Topo · Published 1977

About this map

Lake Pontchartrain dominates this mid-century hydrographic survey, illustrating the vast aquatic expanse south of the Louisiana shoreline. The map focuses on the open waters of the basin, providing soundings and depth curves that were crucial for navigation and coastal study. Along the northern edge, a narrow strip of land reveals the boundary between Tangipahoa Parish and St Tammany Parish. These shoreline fragments provide rare glimpses of the marshy terrestrial fringe where the parishes meet the lake. Several navigation markers, each simply labeled Light, are positioned across the water to guide vessels. This sheet is particularly valuable for those studying the 1960s coastline and the precise underwater topography of the lake before subsequent decades of coastal change.


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Map Details

Date Portrayed1968
Date Published1977
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 26.9 inches

Editions of this 1968 Covington SW Map


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Source Details

CopyrightPublic Domain