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Potamac River (in four sheets).
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Potamac River (in four sheets).

Scale 1:40,000 and 1:60,000. ), 35.2 Various issues of each sheet, some colored. Sheets 1 to 3 titled as above; sheet 4 titled "Preliminary chart of the Potomac River (in four sheets)" Sheets 1 to 3 published at the scale of 1:60,000; sheet 4 is at 1:40,000. Chart of the Potamac River from Washington, D. C., to its entrance into the Chesapeake Bay. Chart indicates soundings, lighhouses, and the shore line configuration. "No. 17" in the upper left corner. Some sheets verified by J.E. Hilgard. Includes many more soundings in the Potamac River.

Date
1862
Mapmaker / publisher
United States Coast Survey
Place
the United States
Scale
1:40,000
Archive
Library of Congress (via Wikimedia Commons)
Type
map
Original size
9,076 × 7,030 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

"Potamac River (in four sheets)." (1862). United States Coast Survey. Library of Congress, Geography and Map Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Potamac_River_(in_four_sheets)._LOC_99447102.jpg

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