Penn, Temple, Mütter among U.S. institutions still holding the remains of Native Americans
Museum leaders pledged to repatriate the remains, as required under a 1990 federal law. Critics say some institutions have been too slow to act.
An 1891 excavation at the site of the Hopewell Mounds in Ohio.Read moreField Museum Archives via University of Nebraska-Lincoln Center for Digital Research in the Humanities Ohio Hopewell Digitization Project
