'Compiled, drawn, and engraved under the supervision of J.H. Colton and A.J. Johnson.' Relief shown by hachures and spot heights. Scale [ca. 1:3,041,280]. 1 in. to approx. 48 miles (W 124°--W 103°/N 42°--N 31°). Hand coloredPrime meridians: Greenwich and WashingtonPlates 54 & 55 removed from Johnson's New illustrated family atlas of the world, with descriptions geographical, statistical and historical ... New York, 1862Title page of atlas.