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historical topo map of San Sebastián County, PR in 1938

1938 Map of Alto Sano

USGS Topo · Published 1938

This historical map portrays the area of Alto Sano in 1938, primarily covering San Sebastián County as well as portions of Mayagüez County, Añasco County, and Moca County. Featuring a scale of 1:20000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Alto Sano region at the time. Published in 1938, it is the sole known edition of this map.

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Map Details

Date Portrayed1938
Date Published1938
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:20000
Physical Dimensions27.9 x 30.8 inches

Editions of this 1938 Alto Sano Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of San Sebastián County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain