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TilE  GEOLOGY  OF  PORTIONS  OF
                 THE  li1JYPHREYS i  SYLMAR ,  NEWHALL  and  SAUGUS  Q,U  DRA  GLES


                                  LOS  ANOELEB  COUNTY,  CALIP<.RN IA


























                                            Thesis  by

                                     Oh~rlton  D.  Cookaey

























                              In  p  ~tial  fulfillment  of  the
                               requ1t>ements  for  tha  de~ree
                                    of  Master  of  Soionoe

                         Oali f o:rnia  Institute  of  Technology

                                         June  1  1   1934
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