National Geographic : 1939 Aug
DISCOVERING THE NEW WORLD'S OLDEST DATED WORK OF MAN 215 THE EXPEDITION'S EQUIPMENT ARRIVES BY OXCART The last leg of the journey to Tres Zapotes was a 10-mile overland trip. Beyond the zebu oxen is the thatched structure which served as dining room, kitchen, and workshop. BULLOCKS TAKE THE PLACE OF AUTOMOBILES FOR TRES ZAPOTES LABORERS While many of the workers came to the excavation site on foot, the more opulent rode into camp on saddled steers which they "parked" while they worked. The mount is guided by the nose ring.