This chart documents the Port of Boston at the dawn of the American Revolution. Under the strain of the Boston Port Act imposed during the winter of 1774-75, New Englanders continued to agitate against their British government.
An article accompanying the map is entitled An Account of the Proceedings of the American Colonists since the Passing of the Boston Port Bill. It informs the readers that the Governor had assured the town that he will do all in his power to secure the peace and good order of the town" and goes on to list the regiments, & companies now at Boston.
BPL call number: G3761.B6A1 1775 .P5