Chaney, Ralph W. Contribution to paleontology : Pliocene flora of California and Oregon. - Washington : Carnegie Institution, 1944. - 407 p. : il. ; 25 cm - Carnegie Inst. Publ 553 . Subjects--Topical Terms: PaleontologíaPaleobotánicaPlioceno Subjects--Geographic Terms: CaliforniaOregon Index Terms--Genre/Form: Seriemon Universal Decimal Class. No.: 561(794)