Seismosaurus

The seismosaurus is the worlds biggest  dinosaur. It is 50 meters long and 100,000 pounds.

 It was discovered by 4 hikers in New Mexico in 1979. Their names were Arthur Loy, Jan Cummings, Frank Walker, and Bill Norlander. They announced that they found a dinosaur, but the government did not have the tools to dig it up. In 1985 a man named David Gillete decided to dig it up. It took him about 7 years to dig it up.In 1991 he had uncovered it, but he had to try to mach it's bones with other dinosaur bones to see            if it was that dinosaur. He finally announced that it was a new dinosaur. He called it the Seismosaurus which means earthquake lizard. It's name suits it because it was big enough to shake the ground when it walks.