Relief shown by shading. "Base 505325 (A01008) 4-83." Available also through the Library of Congress Web site as a raster image. Includes index to prefectures.
United States. Central Intelligence Agency
1983
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/86690361/">https://www.loc.gov/item/86690361/</a>