Roy, Asit K. <br/><br/>
Introduction to the study of geological maps 
/ by Asit K. Roy. 
 - 2nd rev and enl ed. 
 - Calcutta  : The World Press  ,1982 
 - 188p.:ill.  ;23cm. 
<br/><br/> Includes Index at the end 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps
<br/><br/><label>Dewey Class. No.: </label>551  / R888I 
<br/><br/><label>Colon Class. No.: </label>U21  / R888I