ocr: DOUBLE MAP SUPPLEMENT: THE DAWN OF HUMANS VOL.191, NO.2 FEBRUARY 1997 NATIONAL GEO - - - - PHIC - - - - THE GREAT KHANS - - a - lar ARCTIC BREAKTHROUGH 36 LICHENS 58 - igers THE DAWN OF HUMANS YORK 110 71 100 UNDER NEW SEE ASTEROIDS: DEADLY IMPACT, WEDNESDAY, FEBRUARY 26, ON NBC
