Preliminary chart of Beaufort Harbor, North Carolina . "From a Trigonometrical Survey under the
direction of A.D. Bache, Superintendent of the Survey of the Coast of
the United States. Triangulation by C.P. Bolles, Assistant & A.S.
Wadsworth Sub-Assist. Topography by H.L. Whiting Assist. & A.S.
Wadsworth Sub-Assist. Hydrography by the Parties under the Command of
Leiut. Comdg. J.N. Maffitt & C.R.P. Rodgers, U.S.N. Assists.
Verified [signature] M.L. Smith Capt. Topl. Engrs. Asst. in charge of
Office." At bottom: "Redd. Drng. by L.D. Williams & J.R. Key.
Engd. by J.V.N. Throop." North Carolina Collection