Chart Of Georges Shoal & Bank, Surveyed By Charles Wilkes, Lieut. Commandant ... in U.S. brig Porpoise, schooners Maria & Hadassah. By order of the Hon. Mahlon Dickerson, Secretary of the Navy. Published under the direction of the Navy Commissioners. 1837. Drawn by J. Alden and W. May. Engraved by S. Stiles, Sherman & Smith, New-York.