drawn by Lt. Thompson ; etchd. by Lt. Farley by order of the Eng. Dept. ; surveyed under the direction of Maj. Perault U.S.T.E. by Lt. Searle ... Lt. Smith ... Lt. Thompson ; W. Harrison sc.
Oriented with north toward the upper right.
Relief shown by hachures.
In upper right margin: "No. 1."
Appears in House Doc. no.174. 19th Congress, 1st session.
Includes tide table.