39 x 62 cm. Relief shown by hachures and spot heights. Prime meridian: Greenwich and Washington. Hand colored. Shows natural features, populated places, routes of mail steamships, routes of explorers, locations of Indian tribes, railroad routes, and proposed railroad routes. In top margin: No. 80-81. On verso: New Mexico, Arizona, Colorado, Idaho, Dakota (statistics and other information) and The state of California (statistics and other information). Original publisher: G.W. and C.B. Colton.

Typed onto a piece of paper attached to the image: "At reception for World Fliers. Howard Hughes and Mayor Fiorello Laguardia seated in their parade car as Grover Whalen enters it just before the precession gets underway. 7/15/38."