2021-11-292021-11-291850-01-012013-04-05http://hdl.handle.net/20.500.13013/1025From the American Coast Pilot, 16h edition. Depths shown by soundings.Boston Harbour: From the Survey of A.S. Wadsworth Esq., U.S.N, and the Survey of Des Barres.imageG 3764 .B65 1850 .B8Nautical charts – Massachusetts – Boston HarborBoston Harbor (Mass.) – MapsBostonCoastalMassachusetts