Sea coast defences. Historic map, Library of Congress

Scale not given.
LC Civil War Maps (2nd ed.), 365
Confederate imprint.
Suggested "system of defence for smaller ports and inlets" in South Carolina, signed "G.M." and illustrated by a plan of a fort.
Gabriel Manigault (1809-1888) was the author of a "Letter Addressed to Governor M. L. Bonham, of South Carolina, on the Defences of Charleston" (1863)
Description derived from published bibliography.
Available also through the Library of Congress web site as raster image.