1943 Map of Trio, 1976 Print
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1943 Map of Trio

USGS Topo · Published 1976

About this map

Trio serves as a central hub in this landscape, where the Seaboard Coast Line railroad cuts through the low-lying swamps of Williamsburg County. The map reveals a land dominated by large, distinct bays—depressions in the Atlantic coastal plain—such as Wittee Bay, Alligator Bay, and Ricefield Bay. These features, alongside Spring Valley Swamp and Murray Swamp, dictate the placement of local infrastructure, forcing settlements and roads onto higher ground like Big Ridge and Cross Bay Ridge.


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Map Details

Date Portrayed1943
Date Published1976
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions22 x 27.1 inches

Editions of this 1943 Trio Map


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Source Details

CopyrightPublic Domain