1 map : hand col. ; 77 x 96 cm
Relief shown by hachures.
Shows disputed boundaries claimed by Great Britain and U.S. in Maine, New Brunswick and Quebec.
Shows roads, rivers including portages, county boundaries, British posts, United States posts, and mountains.
Annotations show boundary given by the King of Holland, British posts and United States posts.
"Drawn in Transfer Lithography by L.J. Hebert, and Printed the Lithographic Establishment, Quarter Master Generals Office Horse Guards. June 1839."
Date from note on map "Conventional line as agreed upon by Lord Ashburton and Mr. Daniel Wedster, 1842."