00752nam0-22002771i-450-99000162333040332120050303153830.0000162333FED01000162333(Aleph)000162333FED0100016233320030910d1930----km-y0itay50------baengZinc and lead deposits of CanadaF.J. AlcockOttawaF.A. Acland1930406 p., 8 tav.25 cmGeologia557Alcock,Frederick James69322ITUNINARICAUNIMARCBK99000162333040332160 557 B 914925FAGBCFAGBCZinc and lead deposits of Canada366362UNINA