Chapter 15: The Americas "Mound Builders" Introduction      You have read that in the Ohio and Mississippi Valleys groups of Native Americans known as Mound Builders erected large earthen mounds. Archaeologists believe the mounds were ceremonial centers or tombs for leaders. Now you can read more about one of the cultures that created earthworks over a period of about 20 centuries. Destination Title: The Adena Mounds Web site Note: Clicking on the link above will launch a new browser window. Need help using your browser for this activity? Click here for tips. Directions Start at The Adena Mounds Web site. Scroll down the Web page, reading and analyzing the information about this group of Mound Builders. Answer the following questions. 1. Who were the Adena, and where did they live? 2. Why do scientists believe that the Adena belonged to well-organized societies? 3. What have you learned about the burial practices of the Adena? 4. If you visited the mounds of the Adena, what would interest you most? Explain.