Valdiya, Khadg Singh  <br/><br/>
Environmental geology  indian context 
Khadg Singh Valdiya 
 - New Delhi  Tata McGraw-Hill  1987 
 - xii+583p.  illus., maps 
<br/><br/><label>ISBN: </label>978-0074519714 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental GeologyIndia
<br/><br/><label>Universal Decimal Class. No.: </label>55(540)  / VAL