Charleston Harbor and its approaches showing the positions of the Rebel batteries.

Scale ca. 1:30,000.
LC Civil War Maps (2nd ed.), 382
Another issue.
Shows roads, railroads, houses, vegetation, a street plan of Charleston, drainage, soundings, and shoals.
Enlarged issue covering all of James Island and indicating 1/2-mile concentric circles centered on St. Michaels, Charleston, "first [and] second line[s] of Rebel defences," positions occupied by the Union Army and Navy, and "Rebel batteries in possession [of] National forces [and] batteries still held by the Rebels [on] Sept. 7th 1863."
Description derived from published bibliography.
Available also through the Library of Congress web site as raster image.