In center lower margin: Entered according to Act of Congress in the year 1861 by E.P. Dutton & Co. in the Clerks Office of the District Court in the District of Massachusetts., Relief shown by hachures., Sho, and Shows location of buoys, lighthouses, rocks, etc.
Publisher:
E.P. Dutton & Co.,
Subject (Geographic):
Boston Harbor (Mass.)--Maps and Massachusetts--Maps