MapMap of principal transportation lines of the United States Includes key and travel distance table. On verso: populations of principal cities 1920 and 1910. Available also through the Library of Congress Web site as a raster image.
- Contributor: Rand McNally and Company
- Date: 1921
MapEuropean U.S.S.R. and the Caucasus. 5-60. Scale 1:6,500,000. "Base 28501." Shows railroads and canals. Available also through the Library of Congress Web site as a raster image. AACR2
- Contributor: United States. Central Intelligence Agency
- Date: 1960