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Potomac River (in four sheets)- Sheet no. 4, from Indian Head to Georgetown
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Potomac River (in four sheets)- Sheet no. 4, from Indian Head to Georgetown

Scale 1:40,000. ), 53.4 "No. 391" in upper left corner of map. "Electrotype copy no. 1, by G. Mathiot, U.S.C.S." is printed in the upper margin. Information concerning lighthouses, tides, soundings, and the geographic coordinates of the Capitol dome is given in the lower right corner.

Date
1864
Mapmaker / publisher
United States Coast Survey; Bache, A. D. (Alexander Dallas); Harrison, A. M. (Alexander Medina)
Place
the United States
Scale
1:40,000
Archive
Library of Congress (via Wikimedia Commons)
Type
map
Original size
7,720 × 12,210 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

"Potomac River (in four sheets)- Sheet no. 4, from Indian Head to Georgetown" (1864). United States Coast Survey; Bache, A. D. (Alexander Dallas); Harrison, A. M. (Alexander Medina). Library of Congress, Geography and Map Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Potomac_River_(in_four_sheets)-_Sheet_no._4,_from_Indian_Head_to_Georgetown_LOC_99447159.jpg

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