Description given with photograph: "Howard Hughes after landing in New York after a high altitude flight from Los Angeles during which he tested a new two-ounce oxygen mask. With him were (L to R): Charles Perrine, Glenn Odekirk, and Harry Connor."
Description given with photograph: "Howard Hughes in New York after making a high altitude flight from Los Angeles during which he tested a two-ounce oxygen mask."
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 .