United States Coast and Geodetic Survey. Relief shown by hachures. Depths shown by soundings (in feet) and shading. Triangulation by S.C. McCorkle, G.A. Fairfield (1), F.W. Perkins (1), J.A. Sullivan (2), C. Hosmer (2), and R.E. Halter (4) ; topography by C. Hosmer (1-2), H.G. Ogden (1-3), A. Braid (1, 3-4) F.W. Dorr (2), and C.T. Iardella (2-4) ; hydrography by C. Junken, L.B. Wright, J. Hergesheimer (1-2), and F.D. Granger (2) ; astronomical observations by G.W. Dean (1-2, 4) and A.T. Mosman (1-2) ; magnetic observations by C.A. Schott (2) and Dr. Th. C. Hilgard (2) ; reduced drawing by A. and H. Lindenkohl (3-4) ; engraving of outlines and topography by H.C. Evans (3) and W.A. Thompson (4), of hydrography by F. Courtenay (3-4), lettering by E.A. Maedel (3-4), and sand by W.A. Thompson (3) and H.M. Knight (4). "Issued January 1879 (sheets no. 1-2) December 1880 (sheets no. 3-4) Carlile P. Patterson Superintendent Verified J.E. Hilgard ..." Lights and some buoys hand col. "No. 553, 554, 555, 556." Includes index diagram of charts. "Plate No. 1489, No. 1501, No. 1336, No. 1337." "Electrotype Copy No. 1 U.S.C.S."--Sheets no. 1-2.
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