Colville Indian Reservation, Wash., report to accompany H. R. 15575 [to amend act to authorize sale and disposition of surplus or unallotted lands of diminished Colville Indian Reservation, Wash., so as to authorize withdrawal of sufficient land to properly administer affairs of Colville Indian Reservation and issuance of patent in fee to missionary board which maintains St. Mary's Mission School on said reservation]; submitted by Mr. Dill.