﻿SECTION 
  12 
  

  

  397 
  

  

  REVIEW 
  OF 
  CERTAIN 
  MAJOR 
  FISHERIES 
  

  

  In 
  this 
  Section, 
  there 
  are 
  complete 
  data 
  on 
  the 
  commercial 
  landings 
  of 
  certain 
  major 
  species 
  of 
  

   fish 
  and 
  shellfish 
  taken 
  in 
  the 
  U.S. 
  fisheries. 
  Additional 
  information 
  is 
  presented 
  on 
  the 
  operating 
  

   units 
  for 
  many 
  of 
  these 
  fisheries. 
  Most 
  of 
  the 
  major 
  species 
  are 
  taken 
  by 
  several 
  types 
  of 
  fishing 
  

   gear 
  operated 
  in 
  two 
  or 
  more 
  States; 
  because 
  of 
  this, 
  the 
  casual 
  reader 
  of 
  the 
  digest 
  may 
  have 
  dif- 
  

   ficulty 
  in 
  locating 
  complete 
  data. 
  The 
  information 
  contained 
  in 
  this 
  Section 
  includes 
  operating 
  units 
  

   and 
  the 
  volume 
  and 
  value 
  of 
  the 
  catch 
  by 
  types 
  of 
  gear, 
  by 
  States, 
  or 
  by 
  districts. 
  

  

  

  ^ 
  

  

  