If you are getting involved with NAGPRA at UM or otherwise, there's a decent chance your questions and answers will reach beyond the scope of this website. Here are some additional resources, websites, and partnered offices/programs:
--Native American Graves Protection and Repatriation Act Systematic Processes for Disposition or Repatriation of Native American Human Remains, Funerary Objects, Sacred Objects, and Objects of Cultural Patrimony
Link to US Code: : NATIVE AMERICAN GRAVES PROTECTION AND REPATRIATION AC;
see also US Code of Federal Regulations
National Park Service webpages:
National NAGPRA:
National
National
National NAGPRA
National NAGPRA
Oxford Bibliographies:
from ASU American Indian Studies