Creator: National Geographic Society (U.S.)
Description: Map shows proposed and existing railroads, steamship lines, glaciers, volcanoes, telegraph and cable lines, postal routes, military reservations, settlements, missions, mining activity and mineral resources. Includes explanations. Inset: "Western Extension of Aleutian Islands." Relief shown by hachures and spot heights. Scale [ca. 5,000,000].
Contributing Partner: University of Texas at Arlington Library