THE NEW YORK 

 ACADEMY OF SCIENCES. 



MEMOIRS 



OF 



THE GEOLOGICAL SURVEY OF INDIA. 



VOLUME XXXIX, PART i. 



The Geology of Northern Afghanistan : By H. H. 

 Hayden, Director, Geological Survey of India. 



Published by order of the Government of India. 



CALCUTTA : 



SOLD AT THE OFFICE OF THE GEOLOGICAL SURVEY, 

 27, CHOWRINGHEE ROAD. 



LONDON : MESSRS. KEGAN PAUL, TRENCH TRUBNER & CO., 

 BERLIN: MESSRS. FRIEDLANDER UND SOHN. 



191 1 



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