Chad-Libya boundary.
United States. Central Intelligence Agency.
United States. Department of State. Office of the Geographer.
cartographic
[Washington, D.C. : Central Intelligence Agency,
1961]
eng
"2-61."
"Source of data: Office of the Geographer, Department of State."
Includes note and key map.
Chad--Boundaries--Libya--Maps.
Libya--Boundaries--Chad--Maps.
Chad.
Libya.
Available also through the Library of Congress Web site as a raster image.
http://hdl.loc.gov/loc.gmd/g8721f.ct002786