Map of the United States
An American map titled "The United States and Adjoining Portions of Canada and Mexico." The map shows highways, canals, passes, elevations, relief, swamps, and other details. Included are insets of the United States that show Army Service Command areas, Naval districts, and population as of the 1940 Census. This map is one of a set of maps that have been removed from an album titled "United States of America: United States Army Air Forces." Another note within the album read: "Prepared by Cartographic Branch, AC/AS-2 Intelligence."