﻿144 
  Scientific 
  Intelligence. 
  

  

  California 
  has 
  led 
  to 
  arrangements 
  for 
  large 
  scale 
  treatment 
  at 
  

   Searles 
  Lake. 
  

  

  During 
  the 
  year, 
  22 
  bulletins, 
  33 
  technical 
  papers 
  and 
  15 
  other 
  

   publications 
  were 
  issued, 
  while 
  528,432 
  copies 
  of 
  the 
  Bureau's 
  

   publications 
  were 
  distributed. 
  The 
  list 
  of 
  bulletins 
  recently 
  

   received 
  and 
  not 
  before 
  listed 
  (see 
  earlier 
  vol. 
  46 
  J 
  p. 
  80 
  and 
  p. 
  

   476) 
  are 
  as 
  follows: 
  

  

  Bulletins. 
  — 
  No. 
  103. 
  Mining 
  and 
  concentration 
  of 
  carnotite 
  

   ores 
  ; 
  by 
  K. 
  L. 
  Kithil 
  and 
  J. 
  A. 
  Davis. 
  Pp. 
  89 
  : 
  14 
  pis., 
  5 
  figs. 
  

  

  No. 
  123. 
  Analyses 
  of 
  mine 
  and 
  car 
  samples 
  of 
  coal 
  collected 
  

   in 
  the 
  fiscal 
  years 
  1913 
  to 
  1916 
  ; 
  by 
  A. 
  C. 
  Fieldner 
  and 
  others. 
  

   Pp. 
  478 
  ; 
  2 
  figs. 
  

  

  No. 
  127. 
  Gold 
  dredging 
  in 
  the 
  United 
  States; 
  Charles 
  

   Janin. 
  Pp. 
  226 
  ; 
  63 
  pis., 
  23 
  figs. 
  

  

  No. 
  129. 
  The 
  fusibility 
  of 
  coal 
  ash 
  and 
  the 
  determination 
  of 
  

   the 
  softening 
  temperature; 
  by 
  A. 
  C. 
  Fieldner, 
  Albert 
  E. 
  Hall, 
  

   and 
  Alexander 
  L. 
  Feild. 
  Pp. 
  146 
  ; 
  4 
  pis., 
  38 
  figs. 
  

  

  No. 
  132. 
  Siliceous 
  dust 
  in 
  relation 
  to 
  pulmonary 
  disease 
  

   among 
  miners 
  in 
  the 
  Joplin 
  District, 
  Mo.; 
  by 
  Edwin 
  Higgins, 
  

   A. 
  J. 
  Lanza, 
  F. 
  B. 
  Laney, 
  and 
  G. 
  S. 
  Rice. 
  Pp. 
  115 
  ; 
  6 
  pis., 
  6 
  figs. 
  

  

  No. 
  140. 
  Occupational 
  hazards 
  at 
  blast-furnace 
  plants 
  and 
  

   accident 
  prevention, 
  based 
  on 
  records 
  of 
  accidents 
  at 
  blast 
  

   furnaces 
  in 
  Pennsylvania 
  in 
  1915; 
  by 
  F. 
  H. 
  Willcox. 
  Pp. 
  

   153 
  ; 
  16 
  pis. 
  

  

  No. 
  145. 
  Measuring 
  the 
  temperature 
  of 
  gases 
  in 
  boiler 
  set- 
  

   tings; 
  by 
  Henry 
  Kreisinger 
  and 
  J. 
  F. 
  Barkley. 
  Pp. 
  72; 
  31 
  

   figs. 
  

  

  No. 
  146. 
  Technology 
  of 
  salt 
  making 
  in 
  the 
  United 
  States; 
  

   by 
  W. 
  C. 
  Phalen. 
  Pp. 
  149 
  ; 
  24 
  pis., 
  10 
  figs. 
  

  

  No. 
  149. 
  Bibliography 
  of 
  petroleum 
  and 
  allied 
  substances, 
  

   1915 
  ; 
  by 
  E. 
  H. 
  Burroughs. 
  Pp. 
  147. 
  

  

  No. 
  151. 
  Recovery 
  of 
  gasoline 
  from 
  natural 
  gas 
  by 
  compres- 
  

   sion 
  and 
  refrigeration; 
  by 
  W. 
  P. 
  Dykema. 
  Pp. 
  123; 
  15 
  pis., 
  

   15 
  figs. 
  

  

  No. 
  156. 
  The 
  Diesel 
  engine, 
  its 
  fuels 
  and 
  its 
  uses 
  ; 
  by 
  Herbert 
  

   Haas. 
  Pp. 
  133 
  ; 
  16 
  pis., 
  57 
  figs. 
  

  

  No. 
  157. 
  Innovations 
  in 
  the 
  metallurgy 
  of 
  lead; 
  by 
  D. 
  A. 
  

   Lyon 
  and 
  0. 
  C. 
  Ralston. 
  Pp. 
  176 
  ; 
  13 
  figs. 
  

  

  No. 
  160. 
  Rock 
  quarrying 
  for 
  cement 
  manufacture; 
  by 
  

   Oliver 
  Bowles. 
  Pp. 
  160 
  ; 
  6 
  pis., 
  31 
  figs. 
  

  

  No. 
  163. 
  Methods 
  of 
  shutting 
  off 
  water 
  in 
  oil 
  and 
  gas 
  wells 
  ; 
  

   by 
  F. 
  B. 
  Tough. 
  Pp. 
  122 
  ; 
  20 
  pis., 
  7 
  figs. 
  

  

  No. 
  164. 
  Abstracts 
  of 
  current 
  decisions 
  on 
  mines 
  and 
  mining, 
  

   reported 
  from 
  September 
  to 
  December, 
  1917 
  ; 
  by 
  J. 
  W. 
  Thomp- 
  

   son. 
  Pp. 
  147. 
  

  

  No. 
  171. 
  Melting 
  brass 
  in 
  a 
  rocking 
  electric 
  furance 
  ; 
  by 
  

   H. 
  W. 
  Gillett 
  and 
  A. 
  E. 
  Riioads. 
  Pp. 
  131 
  ; 
  4 
  pis., 
  1 
  fig. 
  

  

  Among 
  the 
  other 
  publications 
  may 
  be 
  noted 
  a 
  Handbook, 
  

   entitled 
  Efficiency 
  in 
  the 
  use 
  of 
  oil 
  fuel, 
  a 
  handbook 
  for 
  boiler, 
  

  

  