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Preliminary chart of the northwestern part of the Gulf of Mexico. Unfinished proof.
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Preliminary chart of the northwestern part of the Gulf of Mexico. Unfinished proof.

Scale 1:600,000. ), 17.8 At head of title: U.S. Coast Survey, A. D. Bache, Supdt. Chart of the Gulf coast from Pensacola Bay to the Rio Grande (Rio Bravo del Norte) showing soundings and bottom contours at 6, 12, and 18 feet. "Note: In portions of this chart where no soundings have yet been made by the Coast Survey, they have been taken from the Admiralty chart of Gauld's survey made in 1764 to 1771, which agree well with the Coast Survey soundings in positions covered by both."

Date
1861
Mapmaker / publisher
United States Coast Survey
Place
the United States
Scale
1:600,000
Archive
Library of Congress (via Wikimedia Commons)
Type
chart
Original size
21,114 × 9,826 pixels

Public domainsafest

Reason: its maker died more than 100 years ago.

Read from: Commons licence category: PD-old-100-expired; no CC BY, CC BY-SA, GFDL or deletion tag on the file page.

Credit line

"Preliminary chart of the northwestern part of the Gulf of Mexico. Unfinished proof." (1861). United States Coast Survey. Library of Congress, Geography and Map Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Preliminary_chart_of_the_northwestern_part_of_the_Gulf_of_Mexico._Unfinished_proof._LOC_99447059.jpg

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