,  . <br/><br/>
Memoirs of the geological survey of india vol.xxix /  
by. 
 - 1st.Edn. /  
 - Calcutta :   Geological Survey Of India. 
 - xxvii,379p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rockwood Shillong
<br/><br/><label>Dewey Class. No.: </label>Ht4.44  / M1.31