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into  the  Santa Clara  River;  pril:!cipitat:ton  ,;aries  f".rom  one  year  to anotherJ

                    the  msan  annual  value  is approximately 15  inchea<ll  The  climate  is semi.,.

                   arid,  and  ie ~ry dry  for  almost  four  fifths  of the  year II  It  if.I·

                   expected,  therefore~  that rapid  evaporation and  percolation  impede

                    superficial  rlov  of  streams  during  a  reasonable  amount  of tin1e"  Local

                   cl0Udbursta 11  however,  do  occur  occasionally,  and  :result  in very high

                   run""°f'f  along  those  streame  that drain  the  areas  of pracipita·t.ion~

                               The  most  common  type  or vegetation  is repr®sented  by  a  thick


                   growth  of  se"ra.l  kinds  o:f  a  m0dium  i::i'i 11:Pil  hul'!!h..  Ssv~rnl  alopAs  a.t'A
                   practically covered  with  it, and  make  the  field work  slow  and  difficult$

                   In some  parts,  where  protection  from  sun,  precipitation and  prevailing

                   winds  is achieved II  an  evergreen variety  of'  trac  grow·s,  adding  to the

                   st,rong  billy landscape  a  contrast  of.  lite and  color.




                   Popula.tione

                               'nle  Canyon  is  sparsely populated;  the  inhabitants  are  owners

                   at  ooveral  acres  of lander  and  oonoent,rate  on  cruJ:t.ivating  the  terrso0e

                   and  floodplain  area.a  of the  stream  and  its major  tributaries.,

                               Power  House  No.  2,  10 mil.es  north  of'  Saugus,  holds  several

                   men  working  :f'or  the  maintenance  and  continuous  supervision of the  turbines

                   and  their related  equipmentJ  under  530  f'eet  or  head  of water,  coming

                   down  from  a  reservoir  located  on  top  of the  adjacent  eastern  hUla,  the

                   energy delivere(l to Los  Angeles  County  ie 4, 600  kilowatts.
                                                                       1
                              Oold-quartz  veins  in the  Pelona  eohists  have  been worked  on

                   a  very  small  scale, and · there  has  bean  some  search  for  copper  in
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