Scale [1:1,250,000] (W 65°30'--W 52°30'/N 61°15'--N46°20') Probably done by Joseph James Curling as preface on accompanying text (catalogued separately) is signed J.J.C. Relief shown by hachures and spot heights in feet. Insets: [continuation of map] -- [North Atlantic Ocean]. 1 map : color ; 60 x 94 cm
