﻿14 
  SURVEY 
  OF 
  FISHING 
  GROUNDS, 
  1914. 
  

  

  taken 
  on 
  it 
  (set 
  xxxviii), 
  it 
  is 
  rich 
  in 
  bottom 
  life 
  and 
  may 
  be 
  fomid 
  

   to 
  be 
  productive 
  at 
  times. 
  

  

  Tlie 
  Tillamook 
  section. 
  — 
  On 
  this 
  silt 
  area 
  off 
  the 
  Columbia 
  River 
  

   but 
  little 
  sounding 
  was 
  done 
  for 
  obvious 
  reasons. 
  The 
  mud 
  begin- 
  

   ning 
  at 
  the 
  mouth 
  of 
  the 
  river 
  runs 
  out 
  to 
  and 
  apparently 
  follows 
  the 
  

   50 
  or 
  60 
  fathom 
  curves 
  throughout 
  the 
  greater 
  part 
  of 
  this 
  section. 
  

   South 
  of 
  the 
  river 
  and 
  inshore 
  of 
  the 
  mud 
  the 
  bottom 
  was 
  found 
  to 
  

   be 
  fine 
  gray 
  sand, 
  except 
  at 
  one 
  sounding. 
  

  

  In 
  the 
  mud 
  area 
  there 
  are 
  two 
  outcrops 
  of 
  shale. 
  One 
  is 
  a 
  small 
  

   ridge 
  about 
  25 
  miles 
  off 
  Tillamook 
  Rock, 
  where 
  the 
  least 
  depth 
  was 
  

   78 
  fathoms. 
  One-half 
  mile 
  beyond 
  this 
  sounding 
  green 
  mud 
  was 
  

   found 
  in 
  94 
  fathoms, 
  and 
  3 
  miles 
  inshore 
  the 
  same 
  material 
  in 
  83 
  

   fathoms 
  was 
  recorded. 
  The 
  second 
  sounding 
  showing 
  the 
  occurrence 
  

   of 
  shale 
  was 
  in 
  98 
  fathoms, 
  about 
  18 
  miles 
  off 
  the 
  entrance 
  of 
  Tilla- 
  

   mook 
  Bay. 
  It 
  is 
  believed 
  that 
  a 
  great 
  many 
  of 
  these 
  outcrops 
  are 
  

   to 
  be 
  found, 
  as 
  the 
  Miocene 
  shales 
  seem 
  to 
  be 
  the 
  principal 
  forma- 
  

   tion 
  of 
  the 
  continental 
  shelf 
  off 
  the 
  Oregon 
  coast. 
  

  

  On 
  the 
  fine 
  gray 
  sand 
  witliin 
  the 
  60-fathom 
  curve, 
  about 
  9 
  miles 
  

   south 
  of 
  Tillamook 
  Rock, 
  a 
  small 
  patch 
  of 
  shale 
  resembling 
  hard 
  mud 
  

   was 
  discovered, 
  but 
  an 
  attempt 
  to 
  relocate 
  it 
  later 
  proved 
  unsuccess- 
  

   ful. 
  Between 
  Cape 
  Falcon 
  and 
  Tillamook 
  Bay 
  coarse 
  gray 
  sand 
  was 
  

   found 
  on 
  a 
  single 
  sounding, 
  in 
  32 
  fathoms. 
  From 
  all 
  indications 
  it 
  

   is 
  doubtful 
  if 
  halibut 
  will 
  be 
  found 
  here 
  in 
  paying 
  quantities, 
  although 
  

   it 
  is 
  the 
  most 
  promising 
  bottom 
  found 
  off 
  Tillamook. 
  

  

  Conditions 
  apparently 
  similar 
  to 
  those 
  off 
  Tillamook 
  seem 
  to 
  obtain 
  

   in 
  the 
  stretch 
  between 
  Cape 
  Lookout 
  and 
  Cape 
  Foulweather. 
  Under 
  

   Cape 
  Lookout, 
  on 
  an 
  area 
  not 
  tried 
  out 
  by 
  the 
  Albatross, 
  both 
  the 
  

   Daisy 
  and 
  the 
  Idaho 
  report 
  very 
  good 
  appearing 
  gravel 
  bottom, 
  

   although 
  none 
  but 
  small 
  fish 
  have 
  been 
  taken 
  there. 
  Below 
  Cape 
  

   Lookout 
  the 
  continental 
  shelf 
  has 
  a 
  width 
  of 
  but 
  10 
  miles, 
  and 
  in 
  this 
  

   vicinity, 
  just 
  off 
  Cascade 
  Head, 
  there 
  is 
  a 
  patch 
  of 
  fine 
  gravel 
  adjoin- 
  

   ing 
  one 
  of 
  coarse 
  gray 
  sand 
  in 
  42 
  and 
  30 
  fathoms, 
  respectively. 
  

   Though 
  two 
  unproductive 
  sets 
  of 
  the 
  trawl 
  lines 
  (vi 
  and 
  xxxv) 
  

   were 
  made 
  just 
  ofl'shore 
  from 
  these 
  patches, 
  it 
  was 
  in 
  the 
  vicinity 
  of 
  

   set 
  VI, 
  off 
  the 
  gravel 
  patch, 
  that 
  the 
  best 
  scallop 
  catch 
  was 
  made. 
  

  

  The 
  bottom 
  throughout 
  the 
  Tillamook 
  section 
  seems 
  to 
  be 
  generally 
  

   mifavorable 
  for 
  halibut, 
  though 
  it 
  supports 
  a 
  great 
  many 
  of 
  the 
  

   smaller 
  flatfishes 
  and 
  other, 
  at 
  present, 
  less 
  marketable 
  species. 
  

  

  Newport 
  section. 
  — 
  South 
  of 
  Cape 
  Foulweather, 
  off 
  Yaquina 
  Head, 
  

   the 
  regular 
  progression 
  of 
  increasingly 
  deeper 
  soundings 
  from 
  the 
  

   shore 
  outward 
  is 
  no 
  longer 
  found 
  and 
  green 
  mud 
  or 
  fine 
  gray 
  sand 
  

   bottoms 
  lose 
  their 
  predominence. 
  In 
  this 
  region 
  the 
  mud 
  line 
  is 
  gen- 
  

   erally 
  found 
  at 
  90 
  fathoms 
  or 
  beyond. 
  

  

  Between 
  Yaquina 
  and 
  Alsea 
  Bays 
  and 
  about 
  12 
  miles 
  off 
  shore, 
  a 
  

   ridse 
  was 
  discovered 
  on 
  which 
  30 
  fathoms 
  was 
  the 
  mmimum 
  sounding 
  

  

  