Gulf coast of the United States, Key West to Rio Grande.

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Gulf coast of the United States, Key West to Rio Grande.

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Summary

Scale 1:1,200,000.
LC Civil War Maps (2nd ed.), 47.62-CW 47.64
Eastern part [Key West to the Mississippi River.]--Western Part [Mississippi River to Rio Grande]
From its Report of the Superintendent of the Coast Survey, showing the progress of the survey during the year 1863 (Washington, Government Printing Office, 1864). Map 22-23.
"No. 22" is in the upper left corner of Eastern part and "No. 23" is in upper corner of Western part.
At head of title: U.S. Coast Survey, A. D. Bache, Supt.
Available also through the Library of Congress web site as raster image.
Description derived from published bibliography.

The word portolan comes from the Italian adjective portolano, meaning "related to ports or harbors", or "a collection of sailing directions". Portolan charts are maps based on compass directions and estimated distances observed by the pilots at sea. They were first made in the 13th century in Italy, and later in Spain and Portugal where they considered to be state secrets. The English and Dutch found the description of Atlantic and Indian coastlines extremely valuable for their raiding, and later trading, ships. The oldest survived portolan is the Carta Pisana, dating from approximately 1296 and the oldest preserved Majorcan Portolan chart is the one made by Angelino Dulcert who produced a portolan in 1339.

date_range

Date

01/01/1863
person

Contributors

United States Coast Survey.
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Source

Library of Congress
copyright

Copyright info

Public Domain

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