Caption: 'Our blockading fleet off North Channel, Charleston Harbor, South Carolina.--sketched by a Naval Officer.--[see page 79.] References--A. Fort Sumter.--B. Charleston City.--C. Fort Moultrie.--D. Rebel tug at work on the obstructions.--E. Obstructions.--F. Fort Johnson.--G. Mount Pleasant Batteries.' Also identified in image: South Carolina, Blunt, Daylight and Stars and Stripes (ships of the fleet). [full date January 31, 1863.]
