National Geographic : 1944 Oct
Slowly Following a Green Trail, Two Yoke of Oxen Draw a Three-ton Load of Alfalfa into the Baling Lot In Chile oxen are the supreme draft animals. San Vicente, however, is replacing them with Diesel tractors. Thebig ranch liesnear Los Andes, atown east of Valparaiso and north of Santiago. Its alfalfa, growing luxuriantly under irrigation, finds aready market.