Colombia.
United States. Central Intelligence Agency.
cartographic
[Washington : Central Intelligence Agency,
1952]
eng
Scale 1:2,500,000.
"11827.1 1-52."
Includes explanatory notes, glossary, and "Index to plate separation."
Colombia--Maps.
Colombia.
Available also through the Library of Congress Web site as a raster image.
http://hdl.loc.gov/loc.gmd/g5290.ct002980