• Mexico, reference map.

    Relief shown by shading and spot heights. Cover title. Available also through the Library of Congress Web site as a raster image. Includes inset of "Valley of Mexico" and ancillary map of "Mexico-US borderlands" at 1:2,000,000. Gazetteer on verso. "802024 (R00384, inset R00385) 3-93."

    • Contributor: United States. Central Intelligence Agency
    • Original Format: Maps
    • Date: 1993
  • Color image map : [ports of entry, United States-Canadian border] /

    Scale 1:25,000. Each sheet separately titled. "Projection and 1000-meter grid: Universal Transverse Mercator." "Photoimagery rectified by optical scanning of simultaneously exposed B/W panchromatic and B/W infrared 1:70,000 scale aerial photographs taken October 28, 1975, by the Department of Energy, Mines and Resources, Ottawa, Ontario, Canada." Available also through the Library of Congress Web site as a raster image. Includes diagr. of "Adjoining color image ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1978

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