Gulf coast of the United States, Key West to Rio Grande.

Scale 1:1,200,000.
LC Civil War Maps (2nd ed.), 47.62-CW 47.64
Eastern part [Key West to the Mississippi River.]--Western Part [Mississippi River to Rio Grande]
From its Report of the Superintendent of the Coast Survey, showing the progress of the survey during the year 1863 (Washington, Government Printing Office, 1864). Map 22-23.
"No. 22" is in the upper left corner of Eastern part and "No. 23" is in upper corner of Western part.
At head of title: U.S. Coast Survey, A. D. Bache, Supt.
Available also through the Library of Congress web site as raster image.
Description derived from published bibliography.