﻿6 
  

  

  MUSSEL 
  RESOURCES 
  OF 
  THE 
  ILLINOIS 
  RIVER. 
  

  

  is 
  very 
  slow. 
  Table 
  3 
  shows 
  the 
  percentage 
  of 
  carbon 
  dioxide 
  

   (CO2), 
  oxygen 
  (O), 
  carbon 
  monoxide 
  (CO), 
  methane 
  or 
  mareh 
  gas 
  

   (CH4), 
  and 
  nitrogen 
  (N) 
  of 
  the 
  river 
  and 
  from 
  septic 
  tanks 
  during 
  

   the 
  month 
  of 
  September. 
  

  

  Table 
  1. 
  — 
  Free 
  Oxygen, 
  Illinois 
  Waters: 
  Percentage 
  of 
  Saturation, 
  July 
  18 
  

  

  TO 
  September 
  13, 
  1911. 
  

  

  Lake 
  Michigan 
  95. 
  5 
  

  

  Kankakee 
  R 
  iver 
  1 
  12. 
  3 
  

  

  Des 
  Plaines 
  R 
  iver 
  13. 
  1 
  

  

  Morris 
  9. 
  8 
  

  

  Marseilles: 
  

  

  Above 
  dam 
  7. 
  5 
  

  

  One-eighth 
  mUe 
  below 
  dam 
  65. 
  4 
  

  

  Three-fourths 
  mile 
  below 
  dam 
  24. 
  8 
  

  

  Starved 
  R 
  ock 
  37. 
  1 
  

  

  Peru 
  37. 
  1 
  

  

  Depue 
  30. 
  3 
  

  

  Heimepin 
  35. 
  7 
  

  

  ChUlicothe 
  43. 
  7 
  

  

  Table 
  2. 
  — 
  Dissolved 
  Oxygen, 
  Illinois 
  River, 
  March, 
  1912. 
  

  

  Location. 
  

  

  Date. 
  

  

  Num- 
  

   ber 
  of 
  

   samples 
  

   taken 
  

  

  Tem- 
  

   pera- 
  

   ture. 
  

  

  Dis- 
  

   solved 
  

   oxygen, 
  

   parts 
  per 
  

   million. 
  

  

  Per 
  cent 
  

   satura- 
  

   tion. 
  

  

  Miles 
  

   from 
  

   mouth 
  

   Chicago 
  

   River 
  

   (approx.). 
  

  

  Lockport: 
  

  

  Des 
  Plaines 
  River 
  

  

  Chicago 
  Drainage 
  Canal. 
  

   Morris, 
  Illinois 
  River: 
  

  

  South 
  shore 
  

  

  North 
  shore 
  

  

  Marseilles: 
  

  

  Above 
  dam 
  

  

  Below 
  dam 
  

  

  Chillicothe 
  

  

  Peoria: 
  

  

  Above 
  sewer 
  outlet 
  

  

  Below 
  sewer 
  outlet 
  

  

  Havana 
  

  

  Beardstown 
  

  

  Pearl 
  

  

  Orafton: 
  

  

  Illinois 
  River 
  

  

  Mississippi 
  River 
  

  

  Mar. 
  18 
  

   ...do.... 
  

  

  Mar. 
  19 
  

   ...do.... 
  

  

  Mar. 
  21 
  

   ...do.... 
  

   Mar. 
  22 
  

  

  Mar. 
  23 
  

   ...do.... 
  

   Mar. 
  25 
  

   Mar. 
  26 
  

   Mar. 
  27 
  

  

  Mar. 
  28 
  

   ...do.... 
  

  

  C. 
  

  

  2.5 
  

   3.0 
  

  

  1.5 
  

   1.5 
  

  

  .0 
  

   .0 
  

   .0 
  

  

  .0 
  

  

  .0 
  

  

  2.0 
  

  

  1.5 
  

  

  2.0 
  

  

  3.0 
  

   3.0 
  

  

  6.5 
  

   6.3 
  

  

  10.4 
  

   9.2 
  

  

  10.0 
  

   7.2 
  

  

  6.8 
  

   6.5 
  

   6.2 
  

   7.7 
  

   9.3 
  

  

  9.4 
  

   10.5 
  

  

  47.5 
  

   46.7 
  

  

  73.8 
  

   65.4 
  

  

  59.8 
  

   68.0 
  

   49.0 
  

  

  46.3 
  

   44.2 
  

   44.6 
  

   54.7 
  

   67.0 
  

  

  69.7 
  

   77.8 
  

  

  35 
  

  

  65 
  

  

  80 
  

   145 
  

  

  165 
  

  

  205 
  

   240 
  

  

  285 
  

  

  Table 
  3.- 
  

  

  -Gases 
  from 
  Bottom 
  Sediments, 
  Illinois 
  River, 
  and 
  from 
  ISeptic 
  

   Tanks 
  of 
  Sewage 
  Systems, 
  September, 
  1911. 
  

  

  