Showing the effect of the bombardment by the U.S. mortar flotilla and gunboats, April 18th to 24th 1862 : flag officer D.G. Farragut commanding fleet, Com. D.D. Porter commanding flotilla / surveyed by J.S. Harris under the direction of F.H. Gerdes, asst., U.S. Coast Survey, A.D. Bache, supdt. ; drawn by E. Hergesheimer. CREATED/PUBLISHED [Washington, D.C.] : U.S. Coast Survey, [1862?] (Philad[elphi]a : Bowen & Co., Lith.)