Chaney, Ralph W. Contribution to paleontology : the goshen flora of west central Oregon. - Washington : Carnegie Institution, 1933. - 99 p. : il. ; 30,5 cm - Carnegie Inst. Publ 439 . Subjects--Topical Terms: PaleontologíaPaleobotánica Subjects--Geographic Terms: Oregon Index Terms--Genre/Form: Seriemon Universal Decimal Class. No.: 561(795)