MEMOIRS 



GEOLOGICAL SURVEY 



INDIA. 



VOL. XV, Pt. 1. 



PTIBIISHED BY OEDER OF HIS EXCELIENCT THE GOTEENOB GEWEEAL OE INDIA 



IK COUNCIL. 



CALCUTTA: 



FEINTED FOE THE GOTEENMENT OF INDIA. 



SOLD AT THE 



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LONDON: TRUBNER & CO. 



MDCCCIXXTIII. 



