NHC Home TeacherServe Nature Transformed Native Americans Essay-Related Links We are constantly searching cyberspace for useful sites. As we come upon valuable and interesting ones, we will describe them and provide links. If you know of good sites, tell us about them! E-mail us at:  nhc_ed@nationalhumanitiescenter.org   Essay-Related Links    Pleistocene Die-Off    Columbian Exchange    Indian Removal    Buffalo Tales TeacherServe Home Page National Humanities Center 7 Alexander Drive, P.O. Box 12256 Research Triangle Park, North Carolina 27709 Phone: (919) 549-0661   Fax: (919) 990-8535 Revised: September 2003 nationalhumanitiescenter.org