A plan of the town and harbour of Boston and the country adjacent, with the road from Boston to Concord : shewing the place of the late engagement between the King's troops & the provincials, together with the several encampments of both armies in & aboutDe Costa, JJuly 29th, 1775."Earliest battle plan of the American War of Independence" (Tooley).2nd state of 4 known states (Pritchard and Taliaferro).Hand col. Sheet measures 49 x 6Ills. of troops, battles, encampments.Index.Relief shown pictorially. Depths shown by soundings.cartographic