HUNDREDS OF PREHISTORIC FOSSILS WERE FOUND AT THE CALAVERAS RESERVOIR IN MILPITAS LAST WEEK. CONSTRUCTION WORKERS UNEARTHED THE 20-MILLION YEAR OLD FOSSILS WHILE RESTORING THE DAM. OVER 500 KINDS OF FOSSILS HAVE BEEN FOUND, INCLUDING THE GIANT TEETH FROM A 40-FOOT-LONG SHARK. THE SITE IS CURRENTLY CLOSED TOTHE PUBLIC AND PALEONTOLOGISTS WILL WORK ALONGSIDE CONSTRUCTION WORKERS FOR THE NEXT 2 OR 3 YEARS. THE FOSSILS WILL BE DISPLAYED AT A BAY AREA MUSEUM.