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
South African Class 61-000 a yellow V on each end. The Class 61-000 builder's works numbers, renumbering upon reclassification and sale are listed in the table. South African Class 61-000 The South African Railways Class 61-000 of 1959 was a diesel-hydraulic locomotive. Between May and July 1959, the South African Railways placed seven Henschel type DH-1420 diesel-hydraulic locomotives in service to also gain experience with other forms of diesel motive power than diesel-electric. The locomotives were later reclassified to Class . In 1971, six of them were sold to Rhodesia Railways. The Class 61-000 type DH-1420 diesel-hydraulic locomotive was designed and built for the