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| | Pan-American Highway -- Encyclopædia Britannica (Site not responding. Last check: 2007-11-05) |
 | | The Inter-American Highway, from Nuevo Laredo, Mex., to Panama City (3,350 miles [5,390 km]), is a part of it. |
 | | Established by the General Treaty on Central American Economic Integration signed by Guatemala, Honduras, El Salvador, and Nicaragua in December 1960, its membership expanded to include Costa Rica in July 1962. |
 | | American Ballad: The Evolution of The American Ballad |
| www.britannica.com /eb/article-9058195 (908 words) |
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