[Manuscript maps that were assembled by Egbert Benson and sent in 1802 to Rufus King, United States minister to Great Britain, in order to facilitate negotiations over disputed international boundary between Maine and New Brunswick].

Depths shown by soundings on Champlain's map of Saint Croix Island and vicinity.Title supplied by cataloger.Dealer's catalog: Each [map] possibly executed by a different hand.Pen-and-ink and watercolor.Accompanied by manuscript explaining 1798 decision on location of Saint Croix River (7 sheets ; each 31 x 21 cm.), manuscript letter from Benson to unidentified recipient (1 sheet ; 26 x 21 cm.), cover sheet bearing manuscript title of "Case/St. Croix boundary/sent to R.K. by the author E.B." (1 sheet ; 22 x 36 cm.), and folder (24 x 32 cm.) and sheet (28 x 22 cm.) bearing typed description of the maps and text.[Colored map of border region extending from Saint Lawrence River to Passamaquoddy Bay that was "copied from Mitchell's map"] -- [Uncolored copy of Champlain's 1613 indexed map of Saint Croix Island and vicinity] -- [Uncolored map of Saint Croix Island (designated "Bone Island") and vicinity in 1797] -- Map of Passamaquaddy [i.e. Passamaquoddy] Bay from actual survey : [uncolored map of Passamaquoddy Bay and vicinity based on surveys by Benjamin Richards Jones].Imperfect: Brittle, stained.Champlain's map of Saint Croix Island and vicinity in French. Other 3 maps in English