Davidson, George, 1825-1911. United States Coast Survey ; topography by G. Davidson ; redd. drng. by J. Lambert. Relief shown by hachures; depths shown by soundings. Originally... The Survey.
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United States Coast and Geodetic Survey. "Issued March 1888, F.M. Thorn, Superintendent." "Triangulation by G. Davidson, J.S. Lawson and J.J. Gilbe... The Survey.