Geography of South America world by drainage area—the Amazon River and the more southerly Paraná River. The other major river of this central lowland is the Orinoco River, which has a natural channel linking it with the Amazon. Most of this central lowland is sparsely populated because the soils are heavily leached, but in the south is the very fertile pampas of Argentina—one of the world's major food-producing regions where wheat and beef cattle are pre-eminent. The natural vegetation of the northern lowlands are either savanna in the northern "llanos" and southern "campos", or tropical rainforest throughout most of the Amazon basin. Efforts to
1918 South American Championships in Athletics (unofficial) Chile, and Dr. Francisco Ghigliani, representative from Uruguay, decided the foundation of the Confederación Sudamericana de Atletismo nowadays known as ConSudAtle. Medal winners are published. 1918 South American Championships in Athletics (unofficial) Unofficial South American Championships in Athletics were held in Buenos Aires, Argentina on May 24–26, 1918. The event was entitled "Campeonato de Iniciación". It was organized by the "Federación Pedestre Argentina", the predecessor of the "Federación Atlética Argentina" (founded in 1919) and the "Confederación Argentina de Atletismo" (founded in 1954), and was then representing Argentinian athletics. In a historical meeting on May 24, 1918, in the "salón de