2021-11-292021-11-291887-01-012013-03-20http://hdl.handle.net/20.500.13013/1157Depths shown by contours and soundings in fathoms. Includes cross-sections of proposed breakwaters (scale1:450). "Respectfully forwarded to the Chief of Engineers with letter of this date (July 30, 1887) [by] G.L. Gillespie, Lt. Colonel of Engineers."imageG 3762 .G56 1887 U55Harbors – Massachusetts – Gloucester – MapsGloucester Harbor (Mass.) – MapsGloucester (Mass.) – MapsCoastalEssex CountyMassachusetts