40 x 62 cm. Relief shown by hachures. Prime meridians: Greenwich and Washington. Page numbers at top: 58-59. "Entered according to act of Congress in the year 1864 by A. J. Johnson in the Clerk's Office of the District Court of the United States for the Southern District of New York." Original publisher: Johnson and Ward.
'Prepared by Porter & White Agency. Typography by Marc Wilkinson.' 'Travel-Aid. A Ballinger publication, copyright, July 1947.' Panel title: 'Las Vegas, Nevada invites you! : see Boulder Dam, Lake Mead.' Includes information on Las Vegas, business directory, advertisements and directory of service clubs. Advertisements, map of Boulder City, and map of southern Nevada area with advertisements on verso. Ballinger Publishing Company.