archaeologists say could be the biggest fossil find in Pinellas County in nearly a century... The jaw and tooth weigh 65 pounds and are about a yard long. Sarti-Sweeney took the bones home and, after some online research with her older brother, determined the football-sized rock was actually the tooth of a long-extinct mammoth. Paleontology and archaeology experts have confirmed the find, and recent digging at the site has turned up teeth and bones from a second mammoth, giant sloths, camels, turtles with shells up to 6-feet-long, saber-toothed cats and giant armadillos the size of Volkswagen Beetles. Scientists believe the...