﻿K. 
  D. 
  OI.JIwu, 
  

  

  GEOLOGICAL 
  SURVEY 
  OF 
  INDIA. 
  

  

  Hodo 
  graph. 
  

  

  Vol 
  \\l\. 
  l'l. 
  \\\1\. 
  

  

  I 
  ill- 
  li 
  1 
  "J 
  

  

  TIME 
  CURVE 
  ON 
  EAST 
  INDIA 
  RAILWAY 
  BETWEEN 
  HOWRAH 
  AND 
  DELHI 
  

  

  