40 x 60 cm. Relief shown by hachures and spot heights. Prime meridians: Greenwich and Washington. Atlas plate numbers 54 and 55 in the upper corners. Shows forts, trails, exploration routes, drainage, mail steamship routes, physical features, Indian tribes, and historic sites. The geographic region of Southwest is referred to as the New Southwest. Original publisher: Johnson .

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

A view of Howard Hughes attending an informal press conference in Culver City, California, after Hughes left the Senate War Investigating Subcommittee hearing in Washington.

'Published under the superintendence of the Society for Diffusion of Useful Knowledge.' 'Published by Chapman & Hall, 186 Strand, 15 Oct. 1842.' 'J. & C. Walker, Sculpt.' Scale [ca. 1:7,600,000]. 1 in. to ca. 120 miles (W 125°--W 91°/N 43°--N 23° 30?). 1 map ; 31 x 39 cm. Relief indicated by hachures and spot heights. Shows elevations in yards. Includes notes on exploring expeditions, etc. Borders hand colored. Chapman & Hall.