﻿450 
  Scientific 
  Intelligence. 
  

  

  Water 
  Supply 
  Papers. 
  — 
  Surface 
  water 
  supply 
  of 
  the 
  United 
  

   States; 
  Nathan 
  C. 
  Grover, 
  chief 
  hydraulic 
  engineer. 
  No. 
  

   401, 
  1915, 
  Part 
  I. 
  Nos. 
  436, 
  439, 
  440, 
  442, 
  443, 
  444, 
  1916, 
  

   Parts 
  YI, 
  IX, 
  X, 
  XII, 
  A, 
  B, 
  C. 
  Nos. 
  454, 
  455, 
  458, 
  1917, 
  

   Parts 
  IV, 
  V, 
  VIII. 
  

  

  No. 
  446. 
  Geology 
  and 
  ground 
  waters 
  of 
  the 
  western 
  part 
  of 
  

   San 
  Diego 
  Countv, 
  California; 
  by 
  A. 
  J. 
  Ellis 
  and 
  C. 
  H. 
  Lee. 
  

   Pp. 
  318, 
  47 
  pis., 
  18 
  figs. 
  

  

  No. 
  448. 
  Gazetteer 
  of 
  streams 
  of 
  Texas 
  ; 
  prepared 
  under 
  the 
  

   direction 
  of 
  Glenn 
  A. 
  Gray. 
  

  

  No. 
  450, 
  A. 
  Geology 
  and 
  water 
  resources 
  of 
  the 
  Gila 
  and 
  San 
  

   Carlos 
  Valleys, 
  Arizona; 
  by 
  A. 
  T. 
  Schwennesen. 
  Pp. 
  29, 
  4 
  

   pis., 
  2 
  figs. 
  450, 
  B. 
  Ground 
  water 
  in 
  Lanfair 
  Valley, 
  Cali- 
  

   fornia 
  ; 
  by 
  D. 
  G. 
  Thompson. 
  Pp. 
  24, 
  2 
  pis., 
  1 
  fig. 
  

  

  Mineral 
  Resources 
  of 
  the 
  United 
  States. 
  Numerous 
  advance 
  

   chapters, 
  1916, 
  1917, 
  1918. 
  A 
  pamphlet 
  by 
  James 
  M. 
  Hill 
  on 
  

   platinum 
  and 
  allied 
  metals 
  in 
  1918 
  states 
  that 
  the 
  production 
  of 
  

   crude 
  placer 
  platinum 
  will 
  hardly 
  exceed 
  700 
  ounces 
  a 
  year 
  and 
  

   may 
  be 
  less 
  if 
  the 
  present 
  high 
  price 
  is 
  much 
  reduced. 
  

  

  2. 
  United 
  States 
  Bureau 
  of 
  Mines. 
  — 
  It 
  is 
  announced 
  that 
  

   Dr. 
  Van 
  H. 
  Manning, 
  director 
  of 
  the 
  Bureau 
  of 
  Mines 
  since 
  the 
  

   death 
  of 
  Dr. 
  Holmes 
  in 
  1915, 
  has 
  resigned 
  that 
  position 
  to 
  accept 
  

   the 
  position 
  as 
  Director 
  of 
  Research 
  with 
  the 
  recently 
  organized 
  

   American 
  Petroleum 
  Institute. 
  Dr. 
  Frederick 
  G. 
  Cottrell, 
  who 
  

   has 
  been 
  connected 
  with 
  the 
  Bureau 
  since 
  1911, 
  having 
  been 
  made 
  

   chief 
  chemist 
  in 
  1916, 
  chief 
  metallurgist 
  in 
  1916 
  and 
  assistant 
  

   director 
  in 
  1919, 
  has 
  been 
  nominated 
  to 
  succeed 
  Dr. 
  Manning. 
  

  

  Recent 
  Bulletins 
  of 
  the 
  Bureau 
  are 
  given 
  in 
  the 
  following 
  list 
  

   (see 
  earlier, 
  vol. 
  48, 
  p. 
  78) 
  : 
  

  

  No. 
  78. 
  Approved 
  explosion-proof 
  coal-cutting 
  equipment; 
  

   by 
  L. 
  C. 
  Lesley 
  and 
  E. 
  J. 
  Gleim. 
  Pp. 
  52, 
  18 
  pis., 
  3 
  figs. 
  

  

  No. 
  95. 
  A 
  glossary 
  of 
  the 
  mining 
  and 
  mineral 
  industry; 
  by 
  

   Albert 
  H. 
  Fay. 
  Pp. 
  754. 
  

  

  No. 
  150. 
  Electrodeposition 
  of 
  gold 
  and 
  silver 
  from 
  cyanide 
  

   solutions 
  ; 
  by 
  S. 
  B. 
  Christy. 
  Pp. 
  171, 
  8 
  pis., 
  41 
  figs. 
  

  

  No. 
  162. 
  Removal 
  of 
  the 
  lighter 
  hydrocarbons 
  from 
  petroleum 
  

   by 
  continuous 
  distillation; 
  by 
  J. 
  M. 
  Wadsworth. 
  Pp. 
  162, 
  50 
  

   pis., 
  45 
  figs. 
  

  

  No. 
  183. 
  Abstract 
  of 
  current 
  decisions 
  on 
  mines 
  and 
  mining, 
  

   reported 
  May- 
  August, 
  1919 
  ; 
  by 
  J. 
  W. 
  Thompson. 
  Pp. 
  xxii, 
  167. 
  

  

  No. 
  196. 
  Coal-mine 
  fatalities 
  in 
  the 
  United 
  States 
  during 
  the 
  

   year 
  1919 
  ; 
  compiled 
  by 
  A. 
  H. 
  Fay. 
  Pp. 
  86. 
  

  

  A 
  number 
  of 
  Technical 
  Papers 
  have 
  also 
  been 
  issued. 
  

  

  3. 
  The 
  Geology 
  of 
  the 
  Mid-Continent 
  Oil 
  Fields; 
  by 
  T. 
  O. 
  

   Bosworth. 
  Pp. 
  314, 
  32 
  maps 
  and 
  figs. 
  New 
  York, 
  1920 
  (The 
  

   Macmillan 
  Company). 
  — 
  In 
  this 
  volume 
  there 
  is 
  presented 
  by 
  an 
  

   Englishman 
  a 
  readable 
  account, 
  with 
  not 
  too 
  much 
  detail, 
  of 
  the 
  

   history 
  of 
  development, 
  the 
  statistics, 
  and 
  the 
  relations 
  of 
  the 
  

  

  