@article{25178,
      author       = "XIV Pan American Consultation on Cartography",
      title        = "Progress Report on the Cartographic Activities of the U. S.
                      Jan. 1. 1977 - Dec. 31. 1981 for Presentation to the XIV Pan
                      American Consultation on Cartography  ",
      year         = "1982",
      note         = "2 MF",
}