Costa Rica. 10-63.
United States. Central Intelligence Agency.
cartographic
[Washington,
1963]
eng
Scale 1:1,000,000.
"38163.1."
Inset: Cocos Island.
Costa Rica--Maps, Outline and base.
Costa Rica.
Available also through the Library of Congress Web site as a raster image.
http://hdl.loc.gov/loc.gmd/g4861a.ct003011