• Map
    China. Relief shown by spot heights. Depths shown by contours. "Base 504301 12-79 (544061)." Available also through the Library of Congress Web site as a raster image.
    • Contributor: United States. Central Intelligence Agency
    • Date: 1979
  • Map
    Hong Kong and vicinity. Available also through the Library of Congress Web site as a raster image. "746323 5-98." Includes location map.
    • Contributor: United States. Central Intelligence Agency
    • Date: 1998