00788nam0-22002891i-450-99000162270040332120050303143606.0000162270FED01000162270(Aleph)000162270FED0100016227020030910d1907----km-y0itay50------baeng<<The >>falls of NiagaraJoseph William Winthrop SpencerOttawaDepartment of Mines1907490 p.25 cmIdrologiaCascate551.48Spencer,Joseph William winthrop69282ITUNINARICAUNIMARCBK99000162270040332160 551.49 B 306785FAGBCFAGBCFalls of Niagara366416UNINA