Nine persons, all named, helped to make this navigational chart. "(C No. 4) " "Triangulation by J. Farley and W. P. Trowbridge, Lieut. U.S. Eng's. Assists.Topography by J. Seib and S. Wainwright Sub-Assists. Hydrography by the party under the command of Lieut. R. Wainwright, U.S.N. Assists. 1855 Red'd. Drng by W. T. Martin. Eng'd. by W. Langran and App. F. W. Benner. Verified H. W. Benham, Capt. of Eng'rs. Asst. C.S. in charge of Office." Prime meridian: GM. Relief: no. Graphic Scale: Miles. Projection: Plane. Printing Process: Lithography. Verso Text: HL sticker: 127900.
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