Entrance Mobile Bay.

Entrance to Mobile Bay. From a trigonometrical survey under the direction of A.D. Bache, Superintendent of the Survey of the Coast of the United States. Main triangulation by F.H. Gerdes, assistant. Secondary triangulation by R.H. Fauntleroy, assistant. Topography by W.E. Greenwell, assistant. Hydrography by the party under the command of C.P. Patterson, Lt. U.S. Navy and assist. Published in 1851. Final reduction for engraving by J.J. Ricketts, draughtsman. Topography engraved by R.T. Knight and S.T. Pettit. Lettering by W. Smith. Electrotype copy no. 3 by G. Mathiot, U.S.C.S. (with logo) U.S. Coast Survey Office.

Bache, A. D.

1851

1854

U.S.

1:40 000

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