A reconnaissance of the Potomac River from Point Lookout to Washington City

Scale 1:200,000.
LC Civil War Maps (2nd ed.), 17.85
At head of title: U.S. Coast Survey, A.D. Bache, Supdt.
Pencil note in the bottom margin reads "This is the first chart of the Potomac River issued by the Coast and Geodetic Survey. Inform. obtained from C. & G. (Mr. Ellis) Aug. 23, 1932."
Preliminary chart indicating place names and soundings.
Includes "Sailing directions for the Potomac River."
Description derived from published bibliography.
Available also through the Library of Congress web site as raster image.