• Map
    North America. "802470 (R02067) 1-97." Available also through the Library of Congress Web site as a raster image.
    • Contributor: United States. Central Intelligence Agency
    • Date: 1997
  • Map
    North America. "802582 (R02067) 6-98." Available also through the Library of Congress Web site as a raster image.
    • Contributor: United States. Central Intelligence Agency
    • Date: 1998
  • Map
    North America. "800235 (545526) 4-85." Available also through the Library of Congress Web site as a raster image.
    • Contributor: United States. Central Intelligence Agency
    • Date: 1985
  • Map
    North America. "505066 (545526) 4-82." Available also through the Library of Congress Web site as a raster image.
    • Contributor: United States. Central Intelligence Agency
    • Date: 1982