﻿GEOLOGICAL 
  SURVEY 
  OF 
  INDIA 
  

  

  R.D.Oldham. 
  

  

  Memoirs 
  Vol. 
  XXIX 
  PI. 
  VE. 
  

  

  oetchmg- 
  Survey 
  of 
  India 
  Offic 
  

  

  MAN 
  S 
  HAI 
  B 
  RID 
  GE. 
  

   EASTERN 
  BENGAL 
  STATE 
  RAILWAY. 
  

  

  