00804nam0-2200277---450-99000977682040332120131030093202.0000977682FED01000977682(Aleph)000977682FED0100097768220131021d1946----km-y0itay50------baengUSa-------001yyTungsten mineralization in the United Statesby Paul F. KerrNew YorkGeological Society of America1946X, 241 p., 23 c. di tav.ill.26 cmKerr,Paul F.19222ITUNINARICAUNIMARCBK990009776820403321P2/17s.i.DINGEDINGETungsten mineralization in the United States832605UNINA