… more First Nations have found unmarked graves: the Lower Kootenay First Nation ( … and argued Canada needs to work with First Nations and the … States enacted its Native American Graves Protection and … “preferably from the First Nation,” would be retained when …… more First Nations have found unmarked graves: the Lower Kootenay First Nation ( … and argued Canada needs to work with First Nations and the … States enacted its Native American Graves Protection and … “preferably from the First Nation,” would be retained when …