Triangulation and topography by R. E. Halter, Sub-Assist. Hydrography by J. S. Bradford, Sub-Assist. acting under orders of Actg. Rear Admiral S. P. Lee, U.S. Navy, Comdg. North Atlantic Blockading Squadron. United States Coast Survey. CREATED/PUBLISHED [Washington, U.S. Coast Survey], 1864. NOTES Scale 1:30,000. General chart indicating soundings and bottom contour at 12 feet.