Cahokia Mounds (Digging for the Past)
Publisher: Oxford University Press, USA; Oxford University Press
Published: April 2, 2004
Language: eng
Number of pages: 48
ISBN-13: 9780195158106
First sentence: At least 12,000 to 15,000 years ago, small groups of wandering hunters and food collectors known as Paleo-Indians traveled from Asia along the continuous coastline of the Pacific Ocean to the tip of South America, possibly in skin-covered boats.