There is a legal theoretical split, those that attempt to document and claim a Chippewa Cree identity, and the original descendants of Rocky boy's Chippewa band who reject these claims. Ethnologist John C. Ewers writes in Ethnological report on the Chippewa Cree tribe of the Rocky Boy Reservation and the Little Shell band of Indians / John C. Ewers. History of the Cree Indian territorial expansion from the Hudson Bay area to the interior Saskatchewan and Missouri plains [by Floyd W. Sharrock Susan R. Sharrock.