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

Scale 1:30,000.
Another issue.
Shows roads, railroads, houses, vegetation, a street plan of Charleston, drainage, soundings, and shoals.
LC Civil War Maps (2nd ed.), 381
Overprinted to show 1/4-mile concentric circles centered on St. Michaels, Charleston; positions occupied by the Union Army and Navy; "Rebel batteries in possession of National forces [and] batteries still held by the Rebels [on] Sept. 7th 1863." Union positions are based "on the authority of Maj. T. B. Brooks . . ."
Available also through the Library of Congress web site as raster image.
Description derived from published bibliography.