… and Great Plains Native American exhibit halls at … . (Native American Graves Protection and Repatriation Act), giving Native Americans a … law applies only to Native Americans. Exhibitions devoted to … remains of 2,200 Native Americans, according to the …… and Great Plains Native American exhibit halls at … . (Native American Graves Protection and Repatriation Act), giving Native Americans a … law applies only to Native Americans. Exhibitions devoted to … remains of 2,200 Native Americans, according to the …