Map of the seat of war. Supplement to P. S. Duval & Son's military map, showing the locations of the present military operations expressly compiled from the latest surveys.

Scale ca. 1:1,950,000.
LC Civil War Maps (2nd ed.), 449.4
"Entered according to Act of Congress in the year 1861 by P. S. Duval & Son."
General map of Virginia, Maryland, and Delaware.
Insets: [Washington, D.C.] 8 x 7 cm.-[Baltimore and vicinity] 8 x 7 cm.-[Parts of the Ohio and Mississippi rivers above Memphis] 9 x 9 cm.-Pensacola Bay. 8 x 10 cm.
Description derived from published bibliography.
Available also through the Library of Congress web site as raster image.