TO ACCOMPANY FEATURE SCIENCE-ARGENTINA-DINOSAUR, 2000-01-25 (photo)

TO ACCOMPANY FEATURE SCIENCE-ARGENTINA-DINOSAUR - Argentine paleontologist Fabian Gonzalez clears dirt away from a fossil vertebra measuring 1.2 meters in diameter, unearthed and covered in a protective plaster casting, belonging to a previously unnamed dinosaur that is estimated to be the largest ever found, in this south Argentine desert January 23, while others of the team document the work. With 10 to 12 vertebrae making up the neck, scientists envision a plant-eating sauropod stretching 48-50 metres from head to tail and towering 14 metres tall, that is roughly half a city block long and five stories high. RR